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Tuesday 7 May 2024

23-4-2024 BANDHAVGARH, INDIA - WHITE RUMPED MUNIA (Lonchura striata)

The white-rumped munia (Lonchura striata ) or white-rumped mannikin, sometimes called striated finch in aviculture, is a small passerine bird from the family of waxbill "finches" (Estrildidae). These are not close relatives of the true finches (Fringillidae) or true sparrows (Passeridae).

It is native to tropical continental Asia and some adjacent islands, and has been naturalized in some parts of Japan. Its domesticated descendant, the society finch or Bengalese finch, is found worldwide as a pet and a biological model organism.

The white-rumped munia is approximately 10 to 11 cm in length, with a stubby grey bill and a long black pointed tail. The adults are brown above and on the breast, and lighter below; the rump is white. There is some variation between the subspecies, but the sexes are almost impossible to distinguish in all subspecies; males have a more bulky head and bill.


The white-rumped munia is a common resident breeder ranging from the Indian subcontinent to southern China east to Taiwan, and through Southeast Asia south to Sumatra; it frequents open woodland, grassland and scrub, and is well able to adapt to agricultural land use. It is a gregarious bird which feeds mainly on seeds, moving through the undergrowth in groups and sometimes accompanying other birds such as puff-throated babblers (Pellorneum ruficeps ). The nest is a large domed grass structure in a tree, bush or grass into which three to eight white eggs are laid. They are also known to use abandoned nests of Baya weaver. They are often found near water and have been observed feeding on algae. It has been suggested that they obtain protein from their diet of algae often in the species Spirogyra, which grows in paddy fields.

It is a common and widespread bird across its large range, and is thus not considered a threatened species by the IUCN. In fact, it may locally become a nuisance pest of millets and similar grains. Even the Nicobar Islands subspecies with its limited range seems to be able to cope well with human settlement. As it is a drab-coloured and rather reclusive bird inhabiting dense undergrowth, the white-rumped munia is not necessarily conspicuous even where it occurs in considerable numbers.

23-4-2024 BANDHAVGARH, INDIA - INDIAN SPOTTED DOVE (Streptopelia chinensis ssp. suratensis)


The Spotted dove (Spilopelia chinensis) is a small pigeon that is a common across its native range on the Indian subcontinent and in Southeast Asia. These birds are also called the Mountain dove, Pearl-necked dove, Lace-necked dove, and Spotted turtle-dove.

The ground color of this long and slim dove is rosy buff below shading into grey on the head and belly. There is a half collar on the back and sides of the neck made of black feathers that bifurcate and have white spots at the two tips. The median coverts have brown feathers tipped with rufous spots in the Indian and Sri Lankan subspecies which are divided at the tip by a widening grey shaft streak. The wing feathers are dark brown with grey edges. The center of the abdomen and vent are white. The outer tail feathers are tipped in white and become visible when the bird takes off. The male and the female are similar, but juveniles are duller than adults and do not acquire the neck spots until they are mature.

23-4-2024 BANDHAVGARH, INDIA - INDIAN ROBIN (Copsychus fulicatus)

The Indian robin (Copsychus fulicatus ) is a species of bird in the family Muscicapidae.It is widespread in the Indian subcontinent and ranges across Bangladesh, Bhutan, India, Nepal, Pakistan and Sri Lanka. The males of the northern subspecies have brown backs whose extent gradually reduces southwards, with the males of the southern subspecies having all-black backs. They are commonly found in open scrub areas and often seen running along the ground or perching on low thorny shrubs and rocks. The long tail is usually held up and the chestnut undertail coverts and dark body make them easily distinguishable from pied bushchats and Oriental magpie-robins.

The Indian robin is sexually dimorphic in plumage, with the male being mainly black with a white shoulder patch or stripe whose visible extent can vary with posture. The northern populations have the upper plumage brownish, while the southern populations are black above. The males have chestnut undertail coverts and these are visible as the bird usually holds the 6–8 cm long tail raised upright. The females are brownish above, have no white shoulder stripe and are greyish below, with the vent a paler shade of chestnut than the males. Birds of the northern populations are larger than those from southern India or Sri Lanka. Juvenile birds are much like females, but the throat is mottled.

Several subspecies are named based on their plumage differences. The nominate subspecies refers to the population found across southern peninsular India. The subspecies leucopterus is found in Sri Lanka. In the two subspecies cambaiensis of northern and north-western India and erythrura (=erythrurus ) of north-eastern India (south to around Sambalpur), the males have brown backs. The subspecies intermedius includes birds in appearance between cambaiensis, erythrura and fulicata, the last one found in central India and parts of the Deccan region. The subspecies munda was named based on a specimen from the Punjab, but it is now considered synonymous with cambaiensis. Older classifications treat the population in southern India as the subspecies ptymatura while considering the type locality as Sri Lanka, although it has subsequently been restricted to Pondicherry.

Local names recorded by Jerdon include Nalanchi (Telugu), Wannatikuruvi (Tamil, Washerman bird ), Dayaal (Marathi) Kalchuri (Hindi) and Paan kiriththaa (Sinhala). The former genus name indicates that it looks similar to Saxicola, the genus of the pied bushchat, a bird often found in similar habitats.

This bird is found in open stony, grassy and scrub forest habitats. They are mainly found in dry habitats and are mostly absent from the thicker forest regions and high rainfall areas. All populations are resident and non-migratory. The species is often found close to human habitation and will frequently perch on rooftops.

The species was introduced into the New York region, but did not become established there. A vagrant or escape has been noted from the Maldives.

The breeding season is December to September, but varies according to region and usually begins with the first rains. Peak breeding in northern India is in June and is earlier in Southern India. In Sri Lanka, breeding is in March to June and August to September. Males sing during this season and display by lowering and spreading their tail feathers and strutting around the female, displaying their sides and fluffing their undertail coverts. The songs of males have variants for inviting mates and for deterring other males. Males will drive away other males and patrol their territory by flying with slow wing beats from perch to perch. They may sometimes peck at their reflections. An aggressive display involves fluffing up the feathers and holding the bill high.


 Nests are built between rocks, in holes in walls or in a tree hollow and are lined with animal hair. It has been noted that many of them are also lined with pieces of snakeskin sloughs. The eggs are of regular oval form, but many are elongated and a few pointed. They have a fair amount of gloss. The ground colour is white, often tinged with faint green or pink which is rather closely spotted, speckled, streaked, or mottled with rich reddish- or umber-brown and brownish-yellow with some underlying lavender. The markings are denser at the larger end of the egg, where they form an irregular cap. Some eggs are blotched with dark reddish-brown at the large end. They are about 0.76–0.84 inches (1.9–2.1 cm) long and 0.55–0.62 inches (1.4–1.6 cm) wide. Three to four eggs is the usual clutch. An abnormal clutch of seven has been noted, although none of the eggs hatched at this nest. Only the female incubates the eggs, which then hatch in about 10–12 days. The chicks have black down. Both males and females feed the young, the male sometimes passing food to the female who, in turn, feeds the young. Nestlings may feign dead (thanatosis) when handled and may be preyed on by the rufous treepie. The same nest site may be reused in subsequent years.

An old anecdotal record of these birds laying their eggs in the nests of Turdoides babblers has not been supported by later observers. Laboratory studies have demonstrated cyclic changes in the melanin pigmentation of the tissue surrounding the testes. The dark pigmentation is lost during the breeding season and regained later.

Monday 6 May 2024

24-4-24 KANHA, INDIA - ORIENTAL MAGPIE ROBIN (Copsychus saularis)

The Oriental magpie-robin (Copsychus saularis ) is a small passerine bird that was formerly classed as a member of the thrush family Turdidae, but now considered an Old World flycatcher. These birds are particularly well known for their songs and were once popular as cagebirds.

The Oriental magpie-robin is 19 cm (7.5 in) long, including the long tail, which is usually held cocked upright when hopping on the ground. It is similar in shape to the smaller European robin, but is longer-tailed. The male has black upperparts, head, and throat apart from a white shoulder patch. The underparts and the sides of the long tail are white. Females are greyish black above and greyish white. Young birds have scaly brown upperparts and heads.

Oriental magpie-robins are resident breeders in tropical southern Asia from Nepal, Bangladesh, India, Sri Lanka, and eastern Pakistan, eastern Indonesia, Thailand, south China, Malaysia, and Singapore. They inhabit open woodlands, mangroves, and cultivated areas often close to human habitations.

24-4-24 BANDHAVGARH, INDIA - YELLOW THROATED SPARROW (Gymnoris xanthocollis)

The yellow-throated sparrow or chestnut-shouldered petronia (Gymnoris xanthocollis ) is a species of sparrow found in southern Asia.

It has a finer bill than typical sparrows of the genus Passer and unlike them has no streaks on the plumage. The white double wing bar on the shoulder is diagnostic on the otherwise dull grey-brown sparrow. Males have a chestnut shoulder patch which can sometimes be hard to see. They also have a pale yellow spot on the throat in fresh plumage. Females are duller and lack the chestnut shoulder patch. The yellow spot is much reduced or lacking in females.

This species is tree-loving although sometimes seen on wires and on the ground, where it has a hopping gait. The usual call is a chirrup but the song is distinctive and repetitive chilp chalp cholp. It has a bounding flight and dips deeply before rising up.

The chestnut-shouldered petronia is found from Turkey into Iran, Afghanistan, Pakistan, India, Bangladesh and as a vagrant in Sri Lanka and possibly parts of Myanmar. It is found in forest, gardens and open scrub habitats.

24-4-24 KANHA, INDIA - GARDEN ORBWEAVER SPIDER (Genus Argiope)

 

The genus Argiope includes rather large spiders that often have a strikingly coloured abdomen. These spiders are distributed throughout the world. Most countries in tropical or temperate climates host one or more species that are similar in appearance. The etymology of Argiope is from a Latin word argentum meaning silver. The carapace of Argiope species is typically covered in silvery hairs, and when crawling in the sun, they reflect it in a way that gives them a metallic, white appearance.

24-4-24 BANDHAVGARH, INDIA - LARGE BILLED CROW (Corvus macrorhynchos)


The large-billed crow (Corvus macrorhynchos ), formerly referred to widely as the jungle crow, is a widespread Asian species of crow. It is very adaptable and is able to survive on a wide range of food sources, making it capable of colonizing new areas, due to which it is often considered a nuisance, especially on islands. It has a large bill, which is the source of its scientific name macrorhynchos (Ancient Greek for "large beak") and it is sometimes known by the common name thick-billed crow. It can also be mistaken for a common raven. Johann Georg Wagler first described the species from a holotype obtained from Java in the year 1827. The eastern jungle crow and Indian jungle crow were once considered conspecific and together called the jungle crow.

The overall size (length: 46–59 cm; 18–23 in.). Wingspan is (100-130 cm; 39-51  in.). Body proportions vary regionally. In the far northeast in Japan, the Kuriles and the Sakhalin peninsula, it is somewhat larger than the carrion crow. All taxa have a relatively long bill with the upper one quite thick and arched, making it look heavy and almost raven-like. Generally, all taxa have dark greyish plumage from the back of the head, neck, shoulders and lower body. Their wings, tail, face, and throat are glossy black. The depth of the grey shading varies across its range.

24-4-24 BANDHAVGARH, INDIA - CHITAL (SPOTTED DEER) (Axis axis)


The Axis deer (Axis axis) is a deer species native to the Indian subcontinent. It was first described and given a binomial name by German naturalist Johann Christian Polycarp Erxleben in 1777.

The Axis deer is a beautiful mammal with a spotted body and short tail. Both males and females have markings on their bodies; the markings are white, running in rows along the length of their bodies. The body of Axis deer is bright golden brown in color while the head is a bit lighter shade of the same color. Around their eyes, they have stripes of fur that are paler in color. Males have black spots on their faces and three tines on each of their magnificent antlers. These deer have a dark stripe, running along the length of their back and bordered by a row of spots. The outer parts of their legs are light brown in color while the underparts can be both white and creamy. The Axis deer has a white spot on its throat, which is more noticeable in males. In addition, the tail of the Axis deer has a white underpart.

24-4-24 BANDHAVGARH, INDIA - ORANGE HEADED THRUSH (Geokichla citrina)

 

The orange-headed thrush is 205–235 milliimetres (8.1–9.25 in) long and weighs 47–60 grammes (1.7–2.1 oz). The adult male of the nominate subspecies of this small thrush has an entirely orange head and underparts, uniformly grey upperparts and wings, and white median and undertail coverts. It has a slate-coloured bill and the legs and feet have brown fronts and pink or yellowish rears.

The female resembles the male but has browner or more olive upperparts and warm brown wings, but some old females are almost identical to the male. The juvenile is dull brown with buff streaks on its back, and a rufous tone to the head and face; it has grey wings. The bill is brownish horn, and the legs and feet are brown.

This species' orange and grey plumage is very distinctive, and it is unlikely to be confused with any other species. Differences between the subspecies, as described above, can be quite striking, as with the strong head pattern on G. c. cyanota, but may be less obvious variations in plumage tone, or whether there is white on the folded wing. As with many other thrushes, all forms of this species shows a distinctive underwing pattern, with a strong white band.

The orange-headed thrush breeds in much of the Indian Subcontinent, including Bangladesh, India and Sri Lanka, and through Southeast Asia to Java and southern China. Its habitat is moist broadleaved evergreen woodlands, with a medium-density undergrowth of bushes and ferns, but it also utilises bamboo forests for secondary growth. G. c. cyanota also occurs in large gardens and orchards.

25-4-2024 KANHA TIGER PARK, INDIA - WHITE RUMPED VULTURE (Gyps bengalensis)

The white-rumped vulture (Gyps bengalensis) is an Old World vulture native to South and Southeast Asia. It has been listed as Critically Endangered on the IUCN Red List since 2000, as the population severely declined. White-rumped vultures die of kidney failure caused by diclofenac poisoning. In the 1980s, the global population was estimated at several million individuals, and it was thought to be "the most abundant large bird of prey in the world". As of 2021, the global population was estimated at less than 6,000 mature individuals.

It is closely related to the European griffon vulture (Gyps fulvus). At one time it was believed to be closer to the white-backed vulture of Africa and was known as the Oriental white-backed vulture.

6-5-2024 POTRIES, VALENCIA - YELLOW HORNED POPPY (Glaucium flavum)

It is native to temperate regions of North Africa, Europe and parts of Western Asia.

It is found in North Africa, within Macaronesia, Canary Islands, Algeria, Libya, Tunisia and Morocco. Within Western Asia it is found in the Caucasus, Georgia, Cyprus, Egypt (in the Sinai), Lebanon, Syria and Turkey. In eastern Europe, it is found within Ukraine. In middle Europe, it is in Belgium, Germany, Netherlands and Slovakia. In northern Europe, in Denmark, Ireland, Norway, Sweden and United Kingdom. In south-eastern Europe, within Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Italy, Montenegro, Sicily and Malta, North Macedonia, Romania, and Slovenia. Also in southwestern Europe, it is found in France, Portugal and Spain.


Glaucine is the main alkaloid component in Glaucium flavum. Glaucine has bronchodilator and antiinflammatory effects, acting as a PDE4 inhibitor and calcium channel blocker, and is used medically as an antitussive in some countries. Glaucine may produce side effects such as sedation, fatigue, and a hallucinogenic effect characterised by colourful visual images, and as a recreational drug. For a detailed bibliography on glaucine and Glaucium flavum see: National Agricultural Library. (Glaucium flavum entry)

In the past, it was known in Hampshire, UK as 'squatmore', and the roots were used to treat bruises. Also pains in the breast, stomach and intestines.

6-5-2024 POTRIES, VALENCIA - PAINTED LADY BUTTERFLY (Vanessa cardui)


Vanessa cardui is the most widespread of all butterfly species. It is commonly called the painted lady, or formerly in North America the cosmopolitan.

V. cardui occurs in any temperate zone, including mountains in the tropics. The species is resident only in warmer areas, but migrates in spring, and sometimes again in autumn. It migrates from North Africa and the Mediterranean to Britain and Europe in May and June, occasionally reaching Iceland, and from the Red Sea basin, via Israel and Cyprus, to Turkey in March and April. The occasional autumn migration made by V. cardui is likely for the inspection of resource changes; it consists of a round trip from Europe to Africa.

For decades, naturalists have debated whether the offspring of these immigrants ever make a southwards return migration. Research suggests that British painted ladies do undertake an autumn migration, making 14,500 km (9,000 mi) round trip from tropical Africa to the Arctic Circle in a series of steps by up to six successive generations. The Radar Entomology Unit at Rothamsted Research provided evidence that autumn migrations take place at high altitude, which explains why these migrations are seldom witnessed. In recent years, thanks to the activity of The Worldwide Painted Lady Migration citizen science project, led by the Barcelona-based Institute of Evolutionary Biology (Catalan: Institut de Biologia Evolutiva), the huge range of migration has begun to be revealed. For example, some butterflies migrated from Iceland to the Sahara desert, and even further south.

V. cardui is known for its distinct migratory behaviour. In California, they are usually seen flying from north to north-west. These migrations appear to be partially initiated by heavy winter rains in the desert where rainfall controls the growth of larval food plants. In March 2019, after heavy rain produced an abundance of vegetation in the deserts, Southern California saw these butterflies migrating by the millions across the state.

Similarly, heavier than usual rain during the 2018-2019 winter seems to have been the cause of the extraordinarily large migration observed in Israel at the end of March, estimated at a billion individual butterflies. Painted lady migration patterns are highly erratic and they do not migrate every year. Some evidence suggests that global climatic events, such as el Niño, may affect the migratory behaviour of the painted lady butterflies, causing large-scale migrations. The first noticeable wave of migration in eastern Ukraine was noted in the 20s of April 2019. From May 15, numbers began to grow and it was possible to observe hundreds of this species in the Kharkiv region of Ukraine, including in the city streets of Kharkiv.

Based on experimental data, the painted lady's migration pattern in northern Europe apparently does not follow a strict north-west heading. The range of headings suggests that migrating butterflies may adjust their migration patterns in response to local topographical features and weather, such as strong wind patterns. Laboratory-raised autumn-generation painted lady butterflies were able to distinguish a southern orientation for a return migration path. According to the same laboratory-based study, when butterflies were isolated from the sun, they were unable to orient themselves in a specific direction, opposed to those that did have access to the sun. This suggests that V. cardui requires a direct view of the sky, implying the use of a solar compass to orient its migratory direction and maintain a straight flight path.

Sunday 5 May 2024

25-4-2024 KANHA TIGER PARK, INDIA - GUTTA BUG (Physopelta gutta)



 

26-4-2024 KANHA,INDIA - NORTHERN PLAINS GREY LANGUR (Semnopithecus entellus)

The northern plains gray langur (Semnopithecus entellus ), also known as the sacred langur, Bengal sacred langur and Hanuman langur, is a species of primate in the family Cercopithecidae.

The fur of adults is mostly light colored, with darker fur on the back and limbs, and the face, ears, hands and feet are all black. Infants are brown. Body size excluding tail ranges from 45.1 cm (17.8 in) to 78.4 cm (30.9 in) long, and the tail length is between 80.3 cm (31.6 in) and 111.8 cm (44.0 in). Adult males weigh between 16.9 kg (37 lb) and 19.5 kg (43 lb) while adult females weigh between 9.5 kg (21 lb) and 16.1 kg (35 lb).

The range of the northern plains gray langur covers a large portion of India south of the Himalayas south to the Tapti River and the Krishna River.It is thought to have been introduced to western Bangladesh by Hindu pilgrims on the bank of the Jalangi River.

The northern plains gray langur is diurnal, and is both terrestrial and arboreal. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. Females groom members of both sexes but males do not groom others.


The northern plains gray langur can live in several different types of groups. It can live in groups of multiple males and females, one male and multiple females or multiple males with no females, and males can also live alone without a group. Single male groups are most common. Group size can exceed 100 monkeys. Upon reaching maturity, males typically emigrate from their natal group while females typically remain. Young adult females are typically dominant over older females. When a new male takes over a group it may engage in infanticide of young fathered by the previous male or males, but this is less common when the takeover occurs slowly over several months.

The northern plains gray langur eats primarily fruits and leaves. It is able to survive on mature leaves, which is a key to its ability to survive throughout the dry season. It also eats seeds, flowers, buds, bark and insects, including caterpillars. It is also fed fruits and vegetables by humans, and some groups get a substantial portion of their diets from food provided by temples and from raiding crops.

27-4-2024 KANHA, INDIA - NORTHERN RED MUNTJAC (Muntiacus vaginalis)

The Northern red muntjac (Muntiacus vaginalis)[1][2] is a species of muntjac. It is found in numerous countries of south-central and southeast Asia.

It was recently found distinct from the southern red muntjac (previously typically known as Indian muntjac) and includes all the population previously attributed to M. muntjak that are outside of Sunda and perhaps of Malaysia.

The subspecies bancanus, montanus, muntjak, nainggolani, peninsulae, pleiharicus, robinsoni, rubidus stays in the southern red muntjac (M. muntjak), while annamensis, aureus, curvostylis, grandicornis, nigripes are now attributed to the northern red muntjac (M. vaginalis).

The northern red muntjac occurs in twelve countries of south-central and south-east Asia including Pakistan, Bhutan, Myanmar, Nepal, India, Sri Lanka, Bangladesh, China, Cambodia, Laos, Thailand, and Vietnam.

It is also present in Hong Kong. Its presence in Malaysia is uncertain.

It is listed as "Least Concern" by the IUCN due to its large distribution, presence in protected areas and resilience to hunting and habitat change.

Due to the degradation of habitat and hunting for their body parts and meat, Muntjac populations are drastically decreasing throughout their range. 

27-4-2024 KANHA, INDIA - PANTROPICAL HUNTSMAN SPIDER (Heteropoda venatoria)


Heteropoda venatoria is a species of spider in the family Sparassidae, the huntsman spiders. It is native to the tropical regions of the world, and it is present in some subtropical areas as an introduced species. Its common names include giant crab spider, pantropical huntsman spider or cane spider.

 The adult has a flat, brown body 2 to 2.5 cm (0.8 to 1 inch) long, 7 to 10 cm (3 to 4 inches) wide, including the legs. The female may be slightly larger than the male, particularly in the abdomen, but the male has longer legs and larger tips on its pedipalps. The clypeus, the area just in front of the eyes, is cream or yellowish, and the carapace behind the eyes has a wide band which is usually tan in the female and cream in the male. The body is not very hairy, but the legs have erectile setae, each of which is marked with a black dot.

27-4-2024 KANHA, INDIA - INDIAN ROLLER (Coracias benghalensis)

The Indian roller (Coracias benghalensis) is a colorful bird best known for its aerobatic displays of males during the breeding season. It is often seen perched along roadside trees and wires and is commonly seen in open grassland and scrub forest habitats. The largest population occurs in India, and several states in India have chosen it as their state bird.

The Indian roller is a bulky and broad-winged bird with a large head short neck and legs. The bare skin around the eyes is dull orange, and the legs and feet are yellow-brown. The bill is tinged with brown at the base. The iris is grey-brown. The plumage on the forehead, chin and lores are pinkish buff, the ear coverts are darker red-brown with pale cream or pinkish streaks, while the throat is a dull wine-red with narrow cream streaks. The crown and nape are a darker dull turquoise. The back and rump are bright turquoise, and the belly is pale blue. The tail coverts are dark purple-blue with turquoise tips. The middle two tail feathers are greyish blue-olive with black shafts, while the surrounding tail feathers are an intense purple-blue with a broad pale blue band and greenish tinge towards the tips. The flight feathers on the wings have the same purple-blue colour of those on the tail, with a similar pale blue band across the most distal five or six primaries. The underwing coverts and axillary feathers are pale blue, while the upperwing coverts are a dull green-blue. The primary coverts are pale blue with olive or purple-blue tips, and the lesser coverts are purple-blue along the leading edge of the wing. The colours look dull when the bird is perched but become vibrant in flight. Moulting commences anywhere from mid-June to mid-August and concludes between November and the beginning of March. Adult males and females are similar in appearance and there are no seasonal changes. Juvenile birds are duller, paler and browner in colour, with a dull green crown and dull green-blue belly tinged with buff. The bill is brown with a yellowish base rather than black.

5-5-2024 MONTE CORONA, VALENCIA - LARGE PSAMMODROMUS LIZARD (Psammodromus algirus)


Psammodromus algirus is found in Algeria, France, Gibraltar, Italy, Morocco, Portugal, Spain, and Tunisia.

The natural habitats of P. algirus are temperate forests, Mediterranean-type shrubby vegetation, sandy shores, arable land, pastureland, plantations, and rural gardens.

Saturday 4 May 2024

27-4-2024 KANHA, INDIA - INDIAN VULTURE (Gyps indicus)

The Indian vulture (Gyps indicus) is an Old World vulture native to Asia. This species has been listed as Critically Endangered on the IUCN Red List since 2002 because its population severely declined.

The Indian vulture is a medium-sized and bulky scavenger. Its body and covert feathers are pale, its flight feathers are darker. Its wings are broad and its tail feathers short. The head and neck are almost bald, and its bill is rather long. Females of this species are smaller than males.

Indian vultures are native to India, Pakistan, and Nepal. They are usually found in savannas and other open habitats around villages, cities, and near cultivated areas.

Indian vultures are social birds that often congregate in flocks. They are active during the day spending most of their time soaring over open areas looking for carcasses to gorge on. Indian vultures do not migrate but they may fly up to 100 km in a day when searching for food. They are generally silent, but when these vultures gather in groups around carcasses, they produce various grunts and hisses.

27-4-2024 KANHA, INDIA - CHITAL (MALE) (Axis axis)

The Axis deer (Axis axis) is a deer species native to the Indian subcontinent. It was first described and given a binomial name by German naturalist Johann Christian Polycarp Erxleben in 1777.

The Axis deer is a beautiful mammal with a spotted body and short tail. Both males and females have markings on their bodies; the markings are white, running in rows along the length of their bodies. The body of Axis deer is bright golden brown in color while the head is a bit lighter shade of the same color. Around their eyes, they have stripes of fur that are paler in color. Males have black spots on their faces and three tines on each of their magnificent antlers. These deer have a dark stripe, running along the length of their back and bordered by a row of spots. The outer parts of their legs are light brown in color while the underparts can be both white and creamy. The Axis deer has a white spot on its throat, which is more noticeable in males. In addition, the tail of the Axis deer has a white underpart.

Most of the Axis deer population is concentrated in the forests of India. The major area of their distribution is Sri Lanka and India, though they are introduced to USA and Australia as well. They live in dense forests, forested valleys and also prefer open grasslands, savannas, and plantations.

Axis deer are highly sociable animals. Their herds can contain 6-30 individuals, two or three of them being stags. Adult females with their fawns from the present and previous years usually form matriarchal herds. On the other hand, males live in a hierarchical system with larger and older males dominating smaller and younger ones. The Axis deer are always on the alert, in anticipation of a sudden appearance of a predator. The period of these animals’ highest activity is morning and late afternoon. In the heat of the day the Axis deer usually rest under the shadow. When the weather is hot, they tend to remain near water, drinking in the mornings and evenings. Axis deer are vocal animals and give out bellows and alarm barks. Males may moan during aggressive displays or while resting. Mainly females and juveniles bark persistently when alarmed or if they encounter a predator. Fawns in search of their mother often squeal.

27-4-2024 KANHA, INDIA - NORTHERN PLAINS GREY LANGUR (JUVENILE) (Semnopithecus entellus)

The northern plains gray langur (Semnopithecus entellus ), also known as the sacred langur, Bengal sacred langur and Hanuman langur, is a species of primate in the family Cercopithecidae.

The fur of adults is mostly light colored, with darker fur on the back and limbs, and the face, ears, hands and feet are all black. Infants are brown. Body size excluding tail ranges from 45.1 cm (17.8 in) to 78.4 cm (30.9 in) long, and the tail length is between 80.3 cm (31.6 in) and 111.8 cm (44.0 in). Adult males weigh between 16.9 kg (37 lb) and 19.5 kg (43 lb) while adult females weigh between 9.5 kg (21 lb) and 16.1 kg (35 lb).

The range of the northern plains gray langur covers a large portion of India south of the Himalayas south to the Tapti River and the Krishna River.It is thought to have been introduced to western Bangladesh by Hindu pilgrims on the bank of the Jalangi River.

The northern plains gray langur is diurnal, and is both terrestrial and arboreal. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. Females groom members of both sexes but males do not groom others.

The northern plains gray langur can live in several different types of groups. It can live in groups of multiple males and females, one male and multiple females or multiple males with no females, and males can also live alone without a group. Single male groups are most common. Group size can exceed 100 monkeys. Upon reaching maturity, males typically emigrate from their natal group while females typically remain. Young adult females are typically dominant over older females. When a new male takes over a group it may engage in infanticide of young fathered by the previous male or males, but this is less common when the takeover occurs slowly over several months.

The northern plains gray langur eats primarily fruits and leaves. It is able to survive on mature leaves, which is a key to its ability to survive throughout the dry season. It also eats seeds, flowers, buds, bark and insects, including caterpillars. It is also fed fruits and vegetables by humans, and some groups get a substantial portion of their diets from food provided by temples and from raiding crops.

Groups that have access to abundant food year-round, for example those that are provisioned by temples or are able to raid crops year-round, also breed throughout the year. Other groups, such as those living in forests, typically give birth between December and May. The gestation period is about 200 days. Females other than the mother alloparent the infant for the first month of its life. Weaning occurs at about 1 year and males reach maturity at about 6 to 7 year old.

The northern plains gray langur often associates with chital deer. Both species respond to each other's alarm calls. The chital seem to benefit from the vigilance of male langurs watching for predators in the trees, while the langurs seem to benefit from the chital's better senses of smell and hearing. It also has been observed engaging in grooming sessions with rhesus macaques.

27-4-2024 KANHA, INDIA - NORTHERN PLAINS GREY LANGUR (Semnopithecus entellus)


The northern plains gray langur (Semnopithecus entellus ), also known as the sacred langur, Bengal sacred langur and Hanuman langur, is a species of primate in the family Cercopithecidae.

The fur of adults is mostly light colored, with darker fur on the back and limbs, and the face, ears, hands and feet are all black. Infants are brown. Body size excluding tail ranges from 45.1 cm (17.8 in) to 78.4 cm (30.9 in) long, and the tail length is between 80.3 cm (31.6 in) and 111.8 cm (44.0 in). Adult males weigh between 16.9 kg (37 lb) and 19.5 kg (43 lb) while adult females weigh between 9.5 kg (21 lb) and 16.1 kg (35 lb).

The range of the northern plains gray langur covers a large portion of India south of the Himalayas south to the Tapti River and the Krishna River.It is thought to have been introduced to western Bangladesh by Hindu pilgrims on the bank of the Jalangi River.

The northern plains gray langur is diurnal, and is both terrestrial and arboreal. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. Females groom members of both sexes but males do not groom others.

The northern plains gray langur can live in several different types of groups. It can live in groups of multiple males and females, one male and multiple females or multiple males with no females, and males can also live alone without a group. Single male groups are most common. Group size can exceed 100 monkeys. Upon reaching maturity, males typically emigrate from their natal group while females typically remain. Young adult females are typically dominant over older females. When a new male takes over a group it may engage in infanticide of young fathered by the previous male or males, but this is less common when the takeover occurs slowly over several months.

The northern plains gray langur eats primarily fruits and leaves. It is able to survive on mature leaves, which is a key to its ability to survive throughout the dry season. It also eats seeds, flowers, buds, bark and insects, including caterpillars. It is also fed fruits and vegetables by humans, and some groups get a substantial portion of their diets from food provided by temples and from raiding crops.

Groups that have access to abundant food year-round, for example those that are provisioned by temples or are able to raid crops year-round, also breed throughout the year. Other groups, such as those living in forests, typically give birth between December and May. The gestation period is about 200 days. Females other than the mother alloparent the infant for the first month of its life. Weaning occurs at about 1 year and males reach maturity at about 6 to 7 year old.

The northern plains gray langur often associates with chital deer. Both species respond to each other's alarm calls. The chital seem to benefit from the vigilance of male langurs watching for predators in the trees, while the langurs seem to benefit from the chital's better senses of smell and hearing. It also has been observed engaging in grooming sessions with rhesus macaques.

27-4-2024 KANHA, INDIA - INDIAN PEAFOWL (MALE) (Pavo cristatus)


The Indian peafowl (Pavo cristatus) is a brightly-colored bird that lives mainly on the ground. Its loud calls make it easy to detect, and in forest areas often indicates the presence of a predator such as a tiger. The bird is celebrated in Hindu and Greek mythology and is the national bird of India.

The male Indian peafowl (peacock) is brightly colored, with a predominantly blue fan-like crest of spatula-tipped wire-like feathers, and is best known for the long train (tail) made up of elongated upper-tail covert feathers which bear colorful eyespots. These stiff feathers are raised into a fan and quivered in a display during courtship. Despite the length and size of these covert feathers, peacocks are still capable of flight. Females (peahens) lack the train and have a greenish lower neck and duller brown plumage. Downy chicks are pale buff with a dark brown mark on the nape that connects with the eyes. Young males look like the females but their wings are chestnut colored.

Indian peafowl are resident breeders across the Indian subcontinent and inhabit the drier lowland areas of Sri Lanka. They are found in moist and dry-deciduous forests near water, in montane forests, and can also adapt to live in cultivated regions and around human habitations.

27-4-2024 KANHA, INDIA - LARGE BILLED CROW (Corvus macrorhynchos)

The large-billed crow (Corvus macrorhynchos ), formerly referred to widely as the jungle crow, is a widespread Asian species of crow. It is very adaptable and is able to survive on a wide range of food sources, making it capable of colonizing new areas, due to which it is often considered a nuisance, especially on islands. It has a large bill, which is the source of its scientific name macrorhynchos (Ancient Greek for "large beak") and it is sometimes known by the common name thick-billed crow. It can also be mistaken for a common raven. Johann Georg Wagler first described the species from a holotype obtained from Java in the year 1827. The eastern jungle crow and Indian jungle crow were once considered conspecific and together called the jungle crow.

The overall size (length: 46–59 cm; 18–23 in.). Wingspan is (100-130 cm; 39-51  in.). Body proportions vary regionally. In the far northeast in Japan, the Kuriles and the Sakhalin peninsula, it is somewhat larger than the carrion crow. All taxa have a relatively long bill with the upper one quite thick and arched, making it look heavy and almost raven-like. Generally, all taxa have dark greyish plumage from the back of the head, neck, shoulders and lower body. Their wings, tail, face, and throat are glossy black. The depth of the grey shading varies across its range.

27-4-2024 KANHA, INDIA - LESSER ADJUTANT (Leptoptilos javanicus)

The lesser adjutant (Leptoptilos javanicus ) is a large wading bird in the stork family Ciconiidae. Like other members of its genus, it has a bare neck and head. It is however more closely associated with wetland habitats where it is solitary and is less likely to scavenge than the related greater adjutant. It is a widespread species found from India through Southeast Asia to Java.

A large stork with an upright stance, a bare head and neck without a pendant pouch, it has a length of 87–93 cm (34–37 in) (outstretched from bill-to-tail measurement), weighs from 4 to 5.71 kg (8.8 to 12.6 lb) and stands about 110–120 cm (43–47 in) tall. The only confusable species is the greater adjutant, but this species is generally smaller and has a straight upper bill edge (culmen), measuring 25.8–30.8 cm (10.2–12.1 in) in length, with a paler base and appears slightly trimmer and less hunch-backed. 

The skullcap is paler and the upper plumage is uniformly dark, appearing almost all black. The nearly naked head and neck have a few scattered hair-like feathers. The upper shank or tibia is grey rather than pink, the tarsus measures 22.5–26.8 cm (8.9–10.6 in). The belly and undertail are white. Juveniles are a duller version of the adult but have more feathers on the nape. During the breeding season, the face is reddish and the neck is orange. The larger median wing coverts are tipped with copper spots and the inner secondary coverts and tertials have narrow white edging. The wing chord measures 57.5–66 cm (22.6–26.0 in) in length. Like others in the genus, they retract their necks in flight. In flight, the folded neck can appear like the pouch of the greater adjutant. Males and females appear similar in plumage but males tend to be larger and heavier billed. 

4-5-2024 RIO SERPIS GANDIA, VALENCIA - EUROPEAN SERIN (MALE) (Serinus serinus)

The European serin, or simply the serin (Serinus serinus ), is the smallest European species of the family of finches (Fringillidae) and is closely related to the Atlantic canary. Its diet consists mainly of a combination of buds and seeds.

The European serin is a small short-tailed bird, 11–12 cm in length. The upper parts are dark-streaked greyish green, with a yellow rump. The yellow breast and white belly are also heavily streaked. The male has a brighter yellow face and breast, yellow wing bars and yellow tail sides. The song of this bird is a buzzing trill, very familiar in Mediterranean countries.

It breeds across southern and central Europe and North Africa. Southern and Atlantic coast populations are largely resident, but the northern breeders migrate further south in Europe for the winter. Open woodland and cultivation, often with some conifers, is favoured for breeding. It builds its nest in a shrub or tree, laying 3–5 eggs. It forms flocks outside the breeding season, sometimes mixed with other finches.

The food is mainly seeds, and, in the breeding season, insects. This small serin is an active and often conspicuous bird.

4-5-2024 GANDIA, VALENCIA - BANDED GARDEN SPIDER (Argiope trifasciata)

Argiope trifasciata (the banded garden spider or banded orb weaving spider) is a species of spider native to North and South America, but now found around the world. It can be found in certain areas of Europe, namely the Iberian Peninsula, the Canary Islands, and Madeira. The similar looking Argiope bruennichi is common in the Azores. They typically begin to appear during autumn from early September to late October as temperatures start dropping. In Egypt, the type locality of this spider, females were found surviving the relatively warm winter months.

Their webs can reach a diameter of about 60 cm. The length of the web depends on the size of the spider. Webs are capable of reaching a total length of two meters.


 In Illinois, Argiope trifasciata hatches in early summer but does not become readily notable until mid-August, when they have grown large enough to make their distinctive webs, which can be up to 60 cm (24 in) in diameter, among stems and bushes. The female rests at the centre of the web facing downwards, with her legs often arranged in pairs, making a cross shape; some female spiders conceal themselves in a hidden location close to the web, being alerted to a potential victim by a non-sticky thread leading to the center. Some segments of the web often have thicker threads known as stabilimenta forming a decorative pattern. Male spiders are much smaller than females and have their own small webs in close proximity to the females' webs. Argiope trifasciata is diurnal, and feeds on the insects that get snared in the web. Large, powerful prey like paper wasps, are swiftly wrapped in silk to immobilise them, before being injected with toxic saliva.

27-4-2024 KANHA, INDIA - ORIENTAL MAGPIE ROBIN (Copsychus saularis)


The Oriental magpie-robin (Copsychus saularis ) is a small passerine bird that was formerly classed as a member of the thrush family Turdidae, but now considered an Old World flycatcher. These birds are particularly well known for their songs and were once popular as cagebirds.

The Oriental magpie-robin is 19 cm (7.5 in) long, including the long tail, which is usually held cocked upright when hopping on the ground. It is similar in shape to the smaller European robin, but is longer-tailed. The male has black upperparts, head, and throat apart from a white shoulder patch. The underparts and the sides of the long tail are white. Females are greyish black above and greyish white. Young birds have scaly brown upperparts and heads.

Oriental magpie-robins are resident breeders in tropical southern Asia from Nepal, Bangladesh, India, Sri Lanka, and eastern Pakistan, eastern Indonesia, Thailand, south China, Malaysia, and Singapore. They inhabit open woodlands, mangroves, and cultivated areas often close to human habitations.

Friday 3 May 2024

27-4-2024 KANHA, INDIA - ORANGE HEADED THRUSH (Geokichla citrina)

 


The orange-headed thrush is 205–235 milliimetres (8.1–9.25 in) long and weighs 47–60 grammes (1.7–2.1 oz). The adult male of the nominate subspecies of this small thrush has an entirely orange head and underparts, uniformly grey upperparts and wings, and white median and undertail coverts. It has a slate-coloured bill and the legs and feet have brown fronts and pink or yellowish rears.

The female resembles the male but has browner or more olive upperparts and warm brown wings, but some old females are almost identical to the male. The juvenile is dull brown with buff streaks on its back, and a rufous tone to the head and face; it has grey wings. The bill is brownish horn, and the legs and feet are brown.

This species' orange and grey plumage is very distinctive, and it is unlikely to be confused with any other species. Differences between the subspecies, as described above, can be quite striking, as with the strong head pattern on G. c. cyanota, but may be less obvious variations in plumage tone, or whether there is white on the folded wing. As with many other thrushes, all forms of this species shows a distinctive underwing pattern, with a strong white band.

The orange-headed thrush breeds in much of the Indian Subcontinent, including Bangladesh, India and Sri Lanka, and through Southeast Asia to Java and southern China. Its habitat is moist broadleaved evergreen woodlands, with a medium-density undergrowth of bushes and ferns, but it also utilises bamboo forests for secondary growth. G. c. cyanota also occurs in large gardens and orchards.

This species is often found in damp areas, near streams or in shady ravines. It occurs between 250–1830 metres (825– 6040 ft) in the Himalayas and up to about 1500 metres (5000 ft) in Malaysia, Thailand and Java. G. c. aurata is resident between 1000–1630 metres (3300–5400 ft) on Mt Kinabalu and Mt Trus Madi, northern Borneo. Some of the subspecies are completely or partially migratory; their wintering habitat is similar to the breeding forests, but more likely to be at lower altitudes.

The orange-headed thrush feeds on the ground in dense undergrowth or other thick cover. It is most active at dawn and dusk, probing the leaf litter for insects and their larvae, spiders, other invertebrates and fruit. In Malaysia, wintering birds regularly feed on figs.


The nest, built by both sexes, is a wide but shallow cup of twigs, bracken and rootlets lined with softer plant material like leaves, moss and conifer needles. It is constructed at a height of up to 4.5 metres (15 ft) in a small tree or bush, with mango trees and coffee bushes being preferred. Three or four, occasionally five, eggs are laid; they are cream or tinted with pale blue, grey or green, and have pale lilac blotches and reddish brown spots. They are incubated for 13–14 days to hatching, with another 12 days until the young birds leave the nest.

This species is a host of the pied cuckoo, Clamator jacobinus, a brood parasite which lay a single egg in the nest. Unlike the common cuckoo, neither the hen nor the hatched chick evict the host's eggs, but the host's young often die because they cannot compete successfully with the cuckoo for food. The chestnut-winged cuckoo, Clamator coromandus, and, very rarely, the common cuckoo, Cuculus canorus have also been claimed as parasites on this species.

27-4-2024 KANHA, INDIA - TICKELL'S BLUE FLYCATCHER (Cyornis tickelliae)


Tickell's blue flycatcher (Cyornis tickelliae ) is a small passerine bird in the flycatcher family. This is an insectivorous species which breeds in tropical Asia, from the Indian Subcontinent eastwards to Bangladesh and western Myanmar. The Indochinese blue flycatcher was formerly considered conspecific. They are blue on the upperparts and the throat and breast are rufous. They are found in dense scrub to forest habitats.The name commemorates the British ornithologist Samuel Tickell who collected in India and Burma.

Tickell's blue flycatcher is about 11–12 cm long. It sits upright and forages mainly in the overgrowth. The male's upper parts are bright blue, its throat and breast are red, and the rest of the underparts are white. The female is duller blue with a brighter blue brow, shoulder, rump, and tail. It hybridizes with the pale-chinned blue flycatcher (Cyornis poliogenys ) in the Eastern Ghats of India and these hybrids have sometimes been called the subspecies vernayi. The juvenile is streaked and has a spotted mantle, scaly brown upperparts, head and breast, with just the wings and tail being blue.

They have sometimes been known to feed even after dusk. Apart from flying insects they have been noted to occasionally glean crawling insects.

The species shows regional variations in plumage and size and several of these populations have been designated with subspecies names. The nominate form is found in India, Nepal and Myanmar. The Sri Lankan population is separated as jerdoni (or nesea /mesaea said to be darker)

In the past this species has been considered as a subspecies of the blue-throated blue flycatcher (Cyornis rubeculoides ) which resembles this but has a blue throat.