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Tuesday, 15 March 2016

31-3-2015 GOA, INDIA - INDIAN POND HERON (Ardeola grayii)


The Indian pond heron or paddybird (Ardeola grayii) is a small heron. It is of Old World origins, breeding in southern Iran and east to the Indian subcontinent, Burma, and Sri Lanka. They are widespread and common but can be easily missed when they stalk prey at the edge of small water-bodies or even when they roost close to human habitations.

They are distinctive when they take off, with bright white wings flashing in contrast to the cryptic streaked olive and brown colours of the body. Their camouflage is so excellent that they can be approached closely before they take to flight, a behaviour which has resulted in folk names and beliefs that the birds are short-sighted or blind.


Indian pond herons are stocky with short necks, short thick bills and buff-brown backs. In summer, adults have long neck feathers. Their appearance is transformed from dull colours when they take to flight and the white of the wings makes them very prominent. They are very similar to the squacco herons, Ardeola ralloides, but darker backed. To the east of their range, they are replaced by the Chinese pond herons, Ardeola bacchus.

During the breeding season, there are records of individuals with red legs. The numbers do not suggest that this is a normal change for adults during the breeding season and some have suggested the possibility of it being genetic variants.

Erythristic plumage has been noted. The race phillipsi has been suggested for the populations found in the Maldives, without much acceptance. It forms a superspecies with the closely related Chinese pond heron, Javan pond heron and the Madagascar pond heron.
They are usually silent but may make a harsh croak in alarm when flushed or near their nests.

31-3-2015 GOA, INDIA - LITTLE CORMORANT (Microcarbo niger)


The little cormorant (Microcarbo niger) is a member of the cormorant family of seabirds. Slightly smaller than the Indian cormorant it lacks a peaked head and has a shorter beak. It is widely distributed across the Indian Subcontinent and extends east to Java, where it is sometimes called the Javanese cormorant. It forages singly or sometimes in loose groups in lowland freshwater bodies, including small ponds, large lakes, streams and sometimes coastal estuaries. Like other cormorants, it is often found perched on a waterside rock with its wings spread out after coming out of the water. The entire body is black in the breeding season but the plumage is brownish, and the throat has a small whitish patch in the non-breeding season. These birds breed gregariously in trees, often joining other waterbirds at heronries.


Monday, 14 March 2016

14-3-2016 MONTE CORONA, VALENCIA - SARDINIAN WARBLER (MALE) (Sylvia melanocephala)


The Sardinian warbler (Curruca melanocephala ) is a common and widespread typical warbler from the Mediterranean region. Like most Curruca species, it has distinct male and female plumages. The adult male has a grey back, whitish underparts, black head, white throat and red eyes. Plumages are somewhat variable even in the same locality, with the intensity of a reddish hue on upper- and/or underside that varies from absent to (in some subspecies) pronounced. The female is mainly brown above and buff below, with a grey head. The Sardinian warbler's song is fast and rattling, and is very characteristic of the Mediterranean areas where this bird breeds.

It breeds in the southernmost areas of Europe and just into Asia in Turkey and the eastern end of the Mediterranean. This small passerine bird, unlike most "warblers", is not particularly migratory, but some birds winter in north Africa, and it occurs as a vagrant well away from the breeding range, as far as Great Britain. 

14-3-2016 VILLALONGA RESERVOIR, VALENCIA - LITTLE EGRET (Egretta garzetta)


This is the smallest and most slender of our egrets and has a long neck. It can launch itself fast and accurately to use its sharp bill to catch the insects, small fish and amphibians that make up most of its diet.
 
In the mating season, it displays two long feathers at the nape of the neck. It nests in colonies, often with other members of the Ardeidae family, in forests on river banks and among the thick vegetation surrounding marshlands.

Natural habitat is Central and southern Europe, Africa, Near East, south Asia, north and east Australia, New Zealand.

Typical of wetland forests, they prefer water masses with abundant vegetation. They are also adapted to farmlands close to water.

Skilled at fishing, their diets are basically comprised of small fish, amphibians and insects, although they don’t rule out crustaceans, reptiles and micromammals either.


In the Palearctic, breeding usually starts at the beginning of March, although nests can be found in mid-February. It tends to make nests on the ground, in bushes, in reed beds or trees at heights up to 20 metres, with branches, twigs and a wide range of plant matter. It generally nests in colonies, very often with other species, but primarily Ardeidae, such as cattle egret and grey herons. It lays between one and seven eggs, which are incubated from 21 to 25 days by both members of the couple. Breeding success is very high, as some points of their area of distribution, nearly 90% of eggs laid are viable, leading to chicks that leave the nest some 40 or 50 days after birth.       When the young abandon the nest, the survival rate plummets to 50%. 

14-3-2016 VILLALONGA RESERVOIR, VALENCIA - GREY WAGTAIL (Motacilla cinerea)


Population size
6.9-19.8 Mlnlnn
Life Span
8 years
Weight
15-23
goz
g oz 
Length
18-19
cminch
cm inch 
Wingspan
25-27
cminch
cm inch 
Grey wagtails (Motacilla cinerea) are slender ground-feeding insectivorous birds of open country. They are always associated with running water when breeding, although they may use man-made structures near streams for the nest. Outside the breeding season, these birds may also be seen around lakes, coasts, and other watery habitats. Like other wagtails, they frequently wag their tail and fly low with undulations and they have a sharp call that is often given in flight.

14-3-2016 VILLALONGA RESERVOIR, VALENCIA - EURASIAN GREAT CORMORANT (Phalacrocorax carbo)


Great cormorants are monogamous, with pairs sometimes reuniting in subsequent years. The male chooses the nest site, displaying to attract the female by waving his wings up and down and flashing his white rump patch. He will also swing his head from side to side while holding his tail erect and calling loudly. The female responds by swinging her head slightly and “purring”. This species breeds at any time, depending on food resources. Breeding takes place in colonies of as many as 2,000 pairs, although colonies of a smaller size are typical. Colonies are often located close to other species, like darters, herons, and spoonbills. The parents build their nest with reeds, sticks, and seaweeds on a cliff, in a tree, or in a bush, according to the region. Often a nest is reused. 2 to 6 eggs are laid, with an average of 3-4. The parents share the incubation for 27 to 31 days. The altricial chicks hatch at intervals and fledge at about 50 days old. They remain with their parents for 50 or more days, relying on them for food. The young start to breed between 2 and 4 years old, typically when 3 years old.

Sunday, 13 March 2016

13-3-2015 VILLALONGA RESERVOIR, VALENCIA - EUROPEAN MOORHEN (Gallinula chloropus)


Сommon moorhens are diurnal birds that spend their time swimming or walking along the shore. They forage beside or in the water, sometimes walking on lilypads or upending in the water to feed. They are often secretive but can become tame in some areas. Outside of the breeding season, Common moorhens prefer to spend their time alone; however, during the winter they may gather in groups to feed on sheltered lakes and ponds. To communicate with each other, these birds will give a wide range of gargling calls and will emit loud hisses when threatened.

Сommon moorhens are monogamous and territorial. They form pair-bonds that may last for several years. Pairs nest solitarily usually on top of thick mats of aquatic plants but may also nest in trees, shrubs, or on the ground in dense vegetation. Their nest is a wide shallow cup made with dead vegetation and lined with grass and leaves. Laying starts in spring, between mid-March and mid-May in Northern Hemisphere temperate regions. About 8 eggs are usually laid per female early in the season. Incubation lasts about three weeks. The chicks are precocial; they are hatched with eyes open and are covered in blackish down. Both parents incubate and feed the young. They fledge after 40-50 days, become independent usually a few weeks thereafter, and may raise their first brood the next spring.

20-12-2015 JURONG, SINGAPORE - YELLOW STREAKED LORY (Chalcopsitta scintillata)


The yellow-streaked lory (Chalcopsitta scintillata), also known as the streaked lory or yellowish-streaked lory, is a species of parrot in the family Psittaculidae.

It is found in the Aru Islands and southern New Guinea. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical mangrove forest.

The yellow-streaked lory species contains three subspecies:

Chalcopsitta scintillata (Temminck) 1835
Chalcopsitta scintillata chloroptera Salvadori 1876
Chalcopsitta scintillata rubrifrons Gray, GR 1858 - Carmine-fronted lory
Chalcopsitta scintillata scintillata (Temminck) 1835 - Nominate subspecies

13-12-2015 YANGON, MYANMAR - 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.

The range of this species is extensive and stretches from the northeastern Asian seaboard to Afghanistan and eastern Iran in the west, through South and Southeast Asia, to the Lesser Sundas and Cambodia in the southeast. It occurs in woodland, parks and gardens, cultivated regions with at least some trees, but is a bird of more open country in the south of its range where it is not in competition with the common raven and carrion crow of the north.

13-3-2016 VILLALONGA RESERVOIR, VALENCIA - LITTLE RINGED PLOVER (Charadrius dubius)


The little ringed plover (Charadrius dubius) is a small plover. The genus name Charadrius is a Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate. It derives from Ancient Greek kharadrios a bird found in river valleys (kharadra, "ravine"). The specific dubius is Latin for doubtful, since Sonnerat, writing in 1776, thought this bird might be just a variant of common ringed plover.


Adult little ringed plovers have a grey-brown back and wings, a white belly and a white breast with one black neckband. They have a brown cap, a white forehead, a black mask around the eyes with white above and a short dark bill. The legs are flesh-coloured and the toes are all webbed.

This species differs from the larger ringed plover in leg colour, the head pattern, and the presence of a clear yellow eye-ring.


The little ringed plover (Charadrius dubius ) is a small plover. The genus name Charadrius is a Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate. It derives from Ancient Greek kharadrios a bird found in river valleys (kharadra, "ravine"). The specific dubius is Latin for doubtful, since Sonnerat, writing in 1776, thought this bird might be just a variant of common ringed plover.


Adult little ringed plovers have a grey-brown back and wings, a white belly and a white breast with one black neckband. They have a brown cap, a white forehead, a black mask around the eyes with white above and a short dark bill. The legs are flesh-coloured and the toes are all webbed.


A small, rotund wading bird, the Little ringed plover nests on bare gravel around flooded gravel pits, sandy riverbanks and reservoirs. Like other plovers, it forages for invertebrates and crustaceans in a particular way: standing and watching, running forward, pecking, then standing still again. It is a migrant species, arriving in this country in mid-March and leaving again in July.


Species more frequent in inland humid areas, lagoons, gravel pits and rivers with shores where there are pebbles and stones. In winter it can be seen on the coast.

Species present all year round in the province. Malaga hosts both wintering and breeding individuals. The Little Ringed Plover reproduces from April. Nest on the ground, on banks and beaches with gravel of rivers, reservoirs and lakes. The laying consists of 4 eggs. It feeds on small insects and invertebrates that it catches in shallow waters and among the gravel and the mud of the banks.


Waders exploit the resources of the banks depending on the size of their legs and bills. They do not go into the water beyond what the length of their bill and legs allow them to. Thus, the Little Ringed Plover is one of the least able to enter the water, using only surface water.


Typical Lifespan is 4 years with breeding typically at 2nd year.
Adult Survival 0.55
This attractive small wading bird is a relatively new addition to the British breeding avifauna, first recorded nesting here in 1938.

Little Ringed Plovers are summer visitors to Britain, sometimes arriving as early as mid-March. Originally associated with gravel workings in central England, they have now colonised seasonally wet areas across the post-industrial landscapes of the north-west. In Wales and Scotland, new colonists use river gravels for nesting.


Easily confused with its commoner coastal cousin, the Ringed Plover, this species prefers fresh water. It is a daintier bird, has more subtle colours and lacks a white wing-bar when seen in flight. A good close view reveals the diagnostic yellow eye-ring.


13-3-2016 MONTE CORONA, VALENCIA - SARDINIAN WARBLER (MALE) (Sylvia melanocephala)


The Sardinian warbler (Curruca melanocephala ) is a common and widespread typical warbler from the Mediterranean region. Like most Curruca species, it has distinct male and female plumages. The adult male has a grey back, whitish underparts, black head, white throat and red eyes. Plumages are somewhat variable even in the same locality, with the intensity of a reddish hue on upper- and/or underside that varies from absent to (in some subspecies) pronounced. The female is mainly brown above and buff below, with a grey head. The Sardinian warbler's song is fast and rattling, and is very characteristic of the Mediterranean areas where this bird breeds.

It breeds in the southernmost areas of Europe and just into Asia in Turkey and the eastern end of the Mediterranean. This small passerine bird, unlike most "warblers", is not particularly migratory, but some birds winter in north Africa, and it occurs as a vagrant well away from the breeding range, as far as Great Britain. 

13-3-2016 MONTE CORONA, VALENCIA - EUROPEAN GOLDFINCH (MALE) (Carduelis carduelis)


The European goldfinch or simply the goldfinch (Carduelis carduelis) is a small passerine bird in the finch family that is native to Europe, North Africa and western and central Asia. It has been introduced to other areas, including Australia, New Zealand and Uruguay.

The breeding male has a red face with black markings around the eyes, and a black-and-white head. The back and flanks are buff or chestnut brown. The black wings have a broad yellow bar. The tail is black and the rump is white. Males and females are very similar, but females have a slightly smaller red area on the face.

The average European goldfinch is 12–13 cm (4.7–5.1 in) long with a wingspan of 21–25 cm (8.3–9.8 in) and a weight of 14 to 19 g (0.49 to 0.67 oz). The sexes are broadly similar, with a red face, black and white head, warm brown upper parts, white underparts with buff flanks and breast patches, and black and yellow wings.


On closer inspection, male European goldfinches can often be distinguished by a larger, darker red mask that extends just behind the eye. The shoulder feathers are black, whereas they are brown on the female. In females, the red face does not extend past the eye. The ivory-coloured bill is long and pointed, and the tail is forked. Goldfinches in breeding condition have a white bill, with a greyish or blackish mark at the tip for the rest of the year. Juveniles have a plain head and a greyer back but are unmistakable due to the yellow wing stripe. Birds in central Asia (the caniceps group) have a plain grey head behind the red face, lacking the black and white head pattern of European and western Asian birds. Adults moult after the breeding season, with some individuals beginning in July and others not completing their moult until November. After moult birds appear less colourful, until the tips of the newly grown feathers wear away.

The song is a pleasant silvery twittering. The call is a melodic tickeLIT, and the song is a pleasant tinkling medley of trills and twitters, but always including the tri-syllabic call phrase or a teLLIT-teLLIT-teLLIT.

The goldfinch is often depicted in Italian Renaissance paintings of the Madonna and Child.

Saturday, 12 March 2016

12-3-2016 MONTE CORONA, VALENCIA - SARDINIAN WARBLER (FEMALE) (Sylvia melanocephala)


The Sardinian warbler (Curruca melanocephala ) is a common and widespread typical warbler from the Mediterranean region. Like most Curruca species, it has distinct male and female plumages. The adult male has a grey back, whitish underparts, black head, white throat and red eyes. Plumages are somewhat variable even in the same locality, with the intensity of a reddish hue on upper- and/or underside that varies from absent to (in some subspecies) pronounced. The female is mainly brown above and buff below, with a grey head. The Sardinian warbler's song is fast and rattling, and is very characteristic of the Mediterranean areas where this bird breeds.


11-3-2016 CATARROJA, VALENCIA - LITTLE EGRET (Egretta garzetta)


The Little egret (Egretta garzetta) is small elegant heron in the family Ardeidae. As an aquatic bird, it feeds in shallow water and on land, consuming a variety of small creatures. At one time common in Western Europe, the Little heron was hunted extensively in the 19th century to provide plumes for the decoration of hats and became locally extinct in Northwestern Europe and scarce in the south. Around 1950, conservation laws were introduced in southern Europe to protect the species and their numbers began to increase.
The plumage of the Little egret is normally entirely white, although there are dark forms with largely bluish-grey plumage. In the breeding season, the adult has two long plumes on the nape that form a crest. These plumes are about 150 mm (6 in) and are pointed and very narrow. There are similar feathers on the breast, but the barbs are more widely spread.

11-3-2016 CATARROJA, VALENCIA - LITTLE GREBE (Tachybaptus ruficollis)


The little grebe (Tachybaptus ruficollis ), also known as dabchick, is a member of the grebe family of water birds. The genus name is from Ancient Greek takhus "fast" and bapto "to sink under". The specific ruficollis is from Latin rufus "red" and Modern Latin -collis, "-necked", itself derived from Latin collum "neck".

At 23 to 29 centimetres (9 to 11+1⁄2 inches) in length it is the smallest European member of its family. It is commonly found in open bodies of water across most of its range.

Population size
610,000-3.5Mln
Life Span
10-15 years
Weight
130-236
goz
g oz 
Length
23-29
cminch
cm inch 
Wingspan
40-45
cminch

The Little grebe is a small water bird that is commonly found in open bodies of water across most of its wide range. Adult birds are unmistakable in summer; they are predominantly dark above with their rich, rufous color neck, cheeks and flanks, and bright yellow gape. The rufous is replaced by a dirty brownish grey in non-breeding and juvenile birds. Juvenile birds have a yellow bill with a small black tip and black and white streaks on the cheeks and sides of the neck. This yellow bill darkens as the juveniles grow, eventually turning black in adulthood.

11-12-2015 BAGAN, MYANMAR - FINLAYSON'S SQUIRREL (Callosciurus finlaysonii)


Finlayson's squirrel or the variable squirrel (Callosciurus finlaysonii, sometimes misspelled C. finlaysoni) is a species of rodent in the family Sciuridae. It is found in Cambodia, Laos, Myanmar, Thailand, and Vietnam. The species occurs in a wide range of wooded habitats, including gardens and parks in cities like Bangkok. It was named in honour of the Scottish naturalist and traveller George Finlayson.

It has numerous subspecies that vary greatly in appearance. One of these, C. f. bocourti (syn. C. f. floweri), has been introduced to Singapore and two regions in Italy, probably a result of the species' popularity in the pet trade. It is possible that some of the Callosciurus squirrels introduced into Japan are also Finlayson's squirrels.

Finlayson's squirrel has also been introduced in the Philippines, particularly in the Greater Manila area where it is considered as an invasive species.


The Finlayson's squirrel has a head-and-body length of about 21–22 cm (8.3–8.7 in) and its tail is about 22–24 cm (8.7–9.4 in) long.

There are currently 16 recognised subspecies. Additional subspecies are sometimes recognised. For example, some authorities recognise C. f. floweri, while others consider it a synonym of C. f. bocourti (as done in the following colour description). The subspecific name of C. f. boonsongi commemorates Thai zoologist and conservationist Boonsong Lekagul.

The pelage colour in this species is extremely variable and the subspecies are often defined by this feature. For example, C. f. finlaysonii (nominate) is overall whitish, C. f. albivexilli, C. f. boonsongi, C. f. germaini and C. f. nox are overall blackish (first with white tail-tip, second occasionally with white underside, face and feet), C. f. annellatus is overall rufous with a light band at the base of the tail, C. f. bocourti is whitish below with highly variable colour of the upperparts (whitish, grey, blackish, olive-brownish or reddish), C. f. cinnamomeus is overall reddish with a dark mid-back, C. f. ferrugineus is reddish-brown, C. f. harmandi has brownish upperparts, orange-red underparts and light grey tail, C. f. menamicus is reddish or orangish, often has greyish legs and flanks, and sometimes a white belly, and C. f. sinistralis has grizzled upperparts, reddish underparts and reddish tail with a pale band at the base.


Unnamed populations also remain (for example, a population in central Laos is shiny black with red tail and shoulder/chest region) and even within described subspecies there are often some individual variations.

As currently defined, Finlayson's squirrel may comprise more than one species. C. f. ferrugineus has been treated as a separate species. A genetic study of the 12 subspecies in Thailand, including 7 from the mainland and 5 from islands, found that they belonged in six clades, which often were separated by water (large rivers in the mainland and the sea for the islands). The study also revealed that the mitochondrial DNA of this species compared to the closely related Pallas's squirrel is not monophyletic. A subsequent study recommended that, to maintain monophyletic species, flavimanus and griseimanus, which traditionally are recognized as being subspecies of Pallas's squirrel in southeastern Indochina (central and southern Vietnam, adjacent parts of Cambodia and southern Laos), should be considered part of Finlayson's squirrel. The study also found that flavimanus, as traditionally defined, actually consists of at least two clearly separate lineages, both part of Finlayson's squirrel.

Friday, 11 March 2016

12-12-2015 BAGAN, MYANMAR - CRIMSON MARSH GLIDER DRAGONFLY (rithemis aurora)


Trithemis aurora, the crimson marsh glider, is a species of dragonfly in the family Libellulidae. It is a common and widely distributed species found throughout the year across the Indian subcontinent and Southeast Asia.

The male of this small species is distinctly different from the female. The male has a reddish-brown face, with eyes that are crimson above and brown on the sides. The thorax is red with a fine, purple pruinescence. The abdomen, the base of which is swollen, is crimson with a violet tinge. The wings are transparent with crimson venation and the base has a broad amber patch. The wing spots are a dark reddish-brown and the legs are black.


The female has an olivaceous or bright reddish-brown face with eyes that are purplish-brown above and grey below. The thorax is olivaceous with brown median and black lateral stripes. The abdomen is reddish-brown with median and lateral black markings. The black markings are confluent at the end of each segment and enclose a reddish-brown spot. The wings are transparent with brown tips. The venation is bright yellow to brown and basal amber markings are pale. The wing spots are a dark brown and the lags are dark grey with narrow yellow stripes.

It is commonly found in weedy tanks and ponds, marshes, channels, and slow flowing streams and rivers in the lowlands and mid-hills. It breeds in streams, rivers, canals, ponds and tanks.