Sunday, 16 May 2021
16-5-2021 MONTAVERNER, VALENCIA - MALLOW BINDWEED (Convolvulus althaeoides)
Convolvulus althaeoides is a species of morning glory known by the common names mallow bindweed and mallow-leaved bindweed. This flowering plant is native to the Mediterranean Basin, but it is occasionally seen in other areas of similar climate, such as California in the United States, where it has been introduced.
This is a climbing perennial plant with solitary flowers on long peduncles. The flower is a funnel-shaped pink bloom three or four centimeters wide. The leaves are deeply divided into narrow, fingerlike lobes.
16-5-2021 MONTAVERNER, VALENCIA - EUROPEAN STONECHAT (MALE) (Saxicola rubicola)
The European stonechat, Saxicola rubicola, is a small, charming passerine bird, once thought to be a member of the thrush family but now placed within the Old World flycatcher family, Muscicapidae. This species exhibits a striking sexual dimorphism, with males donning a black plumage with vibrant orange throats and females wearing a more subdued brown.
Males in their summer plumage are unmistakable with their black heads, orange throats, and white bellies. They also sport a distinctive white half-collar and small white patches on the wings and rump. Females, on the other hand, are predominantly brown with less pronounced white wing patches. Both sexes have notably short wings, which are shorter than those of their migratory relatives.
The European stonechat favors heathlands, coastal dunes, and open grasslands dotted with shrubs, brambles, and heather. These habitats provide the perfect backdrop for their active foraging and breeding behaviors.
This species is widely distributed across Europe, reaching as far east as Ukraine and the South Caucasus, and can also be found in parts of North Africa.
Stonechats are known for their lively presence, often perching conspicuously as they keep a vigilant eye on their surroundings. They exhibit a partial migratory pattern, with some populations moving southward to escape the colder winters.
The male stonechat's song is a delightful, high-pitched twitter, reminiscent of a dunnock's melody. Both sexes communicate with a distinctive call that evokes the sound of two stones being tapped together.
European stonechats are monogamous during the breeding season and commence their reproductive efforts at one year of age. They raise two to three broods per season, with the female constructing the nest and both parents tending to the young.
The European stonechat can be confused with the Siberian stonechat and the African stonechat, but genetic evidence supports their distinction as separate species.
These birds are adept insectivores, gleaning a variety of invertebrates from their environment to sustain themselves and their offspring.
16-5-2021 MONTAVERNER, VALENCIA - CORN BUNTING (Emberiza calandra)
The corn bunting (Emberiza calandra) is a robust passerine bird, a member of the bunting family Emberizidae. It is distinguished by its heavily streaked buff-brown plumage. Both sexes are similar in appearance, though the male is slightly larger than the female. This bird is often likened to larks due to its streaked appearance and shares the same open habitat preference.
When observing the corn bunting, look for a large bunting with a dark eye and yellowish mandibles. The bird's lack of showy colors, particularly on the head, sets it apart from other Emberiza species. The underparts are streaked across the flanks and breast, with the streaking forming a gorget around the throat. Notably, the lesser wing coverts are dark with white tips, and the tail is a plain brown.
The corn bunting is typically found in open country with trees, such as farmland and weedy wasteland. It prefers areas where it can forage for seeds and insects on the ground.
This species has a wide range, extending from Western Europe and North Africa to northwestern China. It is mainly resident, but some populations in colder regions migrate southwards in winter.
The corn bunting is a bird of open country with trees, such as farmland and weedy wasteland. It has declined greatly in north-west Europe due to intensive agricultural practices depriving it of its food supply of weed seeds and insects, the latter especially vital when feeding the young. It has recently become extinct in Wales and Ireland, where it was previously common.
The corn bunting is known for its territorial behavior during the breeding season. Males can be polygynous, with some having up to three females. The sex ratio is generally balanced, leading to some males remaining unmated each season. Males contribute minimally to parental care, only feeding the chicks when they are more than half-grown.
The male corn bunting's song is a distinctive metallic sound, often compared to the jangling of keys. This song is typically delivered from an elevated perch such as a low bush, fence post, or telephone wire.
The corn bunting's nest is constructed from grass and lined with hair or fine grass, usually situated on the ground. Clutch sizes average four eggs but can range from three to six. Males are not involved in nest building or incubation but may feed the chicks at later stages.
The diet of the corn bunting consists mainly of seeds, supplemented by insects like crickets, which are particularly important when feeding young.
The corn bunting is currently listed as Least Concern by the IUCN. However, it has experienced significant declines in parts of north-west Europe due to intensive agriculture. Conservation efforts, such as those by Natural England, offer grants to support measures that help conserve this species.
The corn bunting is a bird of open country with trees, such as farmland and weedy wasteland. It has declined greatly in north-west Europe due to intensive agricultural practices depriving it of its food supply of weed seeds and insects, the latter especially vital when feeding the young. It has recently become extinct in Wales and Ireland, where it was previously common.
Males defend territories in the breeding season and can be polygynous, with up to three females per breeding male. The population sex ratio is generally 1:1, which means some males remain unmated during a season. Males play only a small role in parental care; they are not involved in nest building or incubation, and only feed the chicks when they are over half grown.
The nest is made of grass, lined with hair or fine grass, and is usually built on the ground. Average clutch size is four, but commonly varies from three to five, occasionally six.
Saturday, 15 May 2021
19-5-2019 BUMI HILLS, ZIMBABWE - SOUTHERN WARTHOG (Phacochoerus africanus ssp. sundevallii) PHOTO COURTESY OF MRS VALERIE FISHER
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The common warthog is a medium-sized species, with a head-and-body length ranging from 0.9 to 1.5 m (2 ft 11 in to 4 ft 11 in), and shoulder height from 63.5 to 85 cm (25.0 to 33.5 in). Females, at 45 to 75 kg (99 to 165 lb), are smaller and lighter than males, at 60 to 150 kg (130 to 330 lb).[4][5] A warthog is identifiable by the two pairs of tusks protruding from the mouth and curving upwards. The lower pair, which is far shorter than the upper pair, becomes razor-sharp by rubbing against the upper pair every time the mouth is opened and closed. The upper canine teeth can grow to 25.5 cm (10.0 in) long and have a wide elliptical cross section, being about 4.5 cm (1.8 in) deep and 2.5 cm (0.98 in) wide. A tusk will curve 90° or more from the root, and will not lie flat on a table, as it curves somewhat backwards as it grows. The tusks are not used for digging, but are used for combat with other hogs and in defense against predators – the lower set can inflict severe wounds.
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Common warthog ivory is taken from the constantly growing canine teeth. The tusks, particularly the upper set, work in much the same way as elephant tusks with all designs scaled down. Tusks are carved predominantly for the tourist trade in eastern and southern Africa.[citation needed]
The head of the common warthog is large, with a mane down the spine to the middle of the back. Sparse hair covers the body. Its color is usually black or brown. Tails are long and end with a tuft of hair. Common warthogs do not have subcutaneous fat and the coat is sparse, making them susceptible to extreme environmental temperatures.
As of 1999, the common warthog population in southern Africa was estimated to be about 250,000. Typical densities range between 1 and 10 km2 (0.39 and 3.86 sq mi) in protected areas, but local densities of 77 km2 (30 sq mi) were found on short grass in Nakuru National Park in Kenya. The species is susceptible to drought and hunting (especially with dogs), which may result in localized extinctions. The common warthog is present in numerous protected areas across its extensive range.
15-5-2021 RIO SERPIS GANDIA, VALENCIA - SPOTLESS STARLING (Sturnus unicolor)
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The Spotless Starling, known scientifically as Sturnus unicolor, is a member of the starling family, Sturnidae. It bears a striking resemblance to its cousin, the Common Starling, but is distinguished by its slightly larger size, measuring 21-23 cm in length and weighing between 70-100 grams. Its plumage is a glossy, oily black, which may exhibit purple or green iridescence under bright light. Notably, during the spring and summer, its feathers are completely devoid of spots, while in winter, it sports only minuscule pale spots.
To identify the Spotless Starling, look for its longer throat feathers, which are double the length of those on the Common Starling, creating a pronounced "beard" especially visible when the bird vocalizes. Its legs are a vivid pink, and the bill color changes with the seasons: yellow with a bluish or pinkish base in summer, and a duller, often blackish hue in winter. Juveniles present a dull brown plumage, darker than their common counterparts, with a black bill and brown legs.
15-5-2021 RIO SERPIS GANDIA, VALENCIA - LITTLE EGRET (Egretta garzetta)
The little egret (Egretta garzetta) is a species of small heron in the family Ardeidae. It is a white bird with a slender black beak, long black legs and, in the western race, yellow feet. As an aquatic bird, it feeds in shallow water and on land, consuming a variety of small creatures. It breeds colonially, often with other species of water birds, making a platform nest of sticks in a tree, bush or reed bed. A clutch of three to five bluish-green eggs is laid and incubated by both parents for about three weeks. The young fledge at about six weeks of age.
Its breeding distribution is in wetlands in warm temperate to tropical parts of Asia, Africa, Australia, and Europe. A successful colonist, its range has gradually expanded north, with stable and self-sustaining populations now present in the United Kingdom.
In warmer locations, most birds are permanent residents; northern populations, including many European birds, migrate to Africa and southern Asia to over-winter there. The birds may also wander north in late summer after the breeding season, and their tendency to disperse may have assisted in the recent expansion of the bird's range. At one time common in Western Europe, it 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. By the beginning of the 21st century the bird was breeding again in France, the Netherlands, Ireland and Britain. Its range is continuing to expand westward, and the species has begun to colonise the New World; it was first seen in Barbados in 1954 and first bred there in 1994. The International Union for Conservation of Nature has assessed the bird's global conservation status as being of "least concern".
15-5-2021 RIO SERPIS GANDIA, VALENCIA - EUROPEAN SERIN (MALE) (Serinus serinus)
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The European serin, or simply the serin (Serinus serinus), is a diminutive member of the finch family, Fringillidae. This sprightly bird is the smallest within its family, closely related to the Atlantic canary. It is characterized by its short tail and a length that spans a mere 11 to 12 centimeters. The serin's plumage is a tapestry of nature's palette, with upper parts dappled in dark-streaked greyish green and a conspicuous yellow rump. The underparts are a canvas of yellow breast and white belly, both adorned with heavy streaks.
When attempting to identify the European serin, look for the male's radiant yellow face and breast, which stand out against the greenish backdrop of its feathers. The male also boasts yellow wing bars and yellow tail sides, which can be quite helpful in distinguishing it from similar species. Both sexes share a buzzing trill of a song that resonates through their Mediterranean habitats.
The European serin is partial to open woodland and cultivated areas, often with a sprinkling of conifers. These environments provide the perfect backdrop for breeding and foraging.
15-5-2021 PRADA GANDIA, VALENCIA - COMMON HOUSE MARTIN (Delichon urbicum)
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The Western House Martin (Delichon urbicum), sometimes known as the Common House Martin, is a migratory passerine bird belonging to the swallow family. It is characterized by a blue head and upperparts, a distinctive white rump, and pure white underparts. This species exhibits sexual dimorphism, with both sexes appearing similar, and juveniles displaying a sooty black coloration with white-tipped wing coverts and quills.
Adults measure approximately 13 cm in length, with a wingspan ranging from 26 to 29 cm and an average weight of 18.3 grams. They possess brown eyes, a small black bill, and pink toes and exposed leg parts. The white rump and underparts are particularly noticeable in flight, aiding in distinguishing them from other swallows.
The Western House Martin favors open country with low vegetation, such as pastures, meadows, and farmland, often near water. It is also found in urban areas and can nest in city centers if air quality permits.
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This bird breeds across Europe, North Africa, and the Palearctic, migrating to sub-Saharan Africa and tropical Asia for the winter. It is a broad-front migrant, traveling during daylight and feeding on insects in flight.
The Western House Martin is a social bird, often breeding colonially with nests built in close proximity. It is known for its aerial agility, which it uses to evade predators such as the Eurasian Hobby.
The male's song is a soft twitter of melodious chirps, while the contact call is a hard "chirrrp." The alarm call is a shrill "tseep."
Nests are constructed from mud pellets under eaves or similar overhangs on buildings, usually in colonies. The species is known to produce two broods per year, with four to five white eggs per brood. Juveniles fledge after 22 to 32 days and are fed by parents for about a week thereafter.
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The Western House Martin can be confused with the Asian House Martin (D. dasypus) and the Nepal House Martin (D. nipalense), but it is the only one with a pure white rump and underparts.
The diet consists primarily of insects caught in flight, with a preference for flies and aphids. Hunting typically occurs within 450 meters of the nest and often near open ground or water.
The Western House Martin is classified as Least Concern by the IUCN, with an extensive range and large population. However, there are indications of population fluctuations and declines in certain regions, attributed to factors such as weather, pesticides, and competition for nesting sites.
Friday, 14 May 2021
9-5-2021 MONTE CORONA, VALENCIA - COMB CLAWED DARKLING BEETLE (Heliotaurus ruficollis)
The Comb-Clawed Darkling Beetle (Heliotaurus ruficollis), commonly known as the "toro del sol", is a diurnal insect from the Tenebrionidae family. Highly active in the spring (typically April to June), it is abundant in sunny meadows, gardens, and the mountainous scrublands of Monte Corona in Valencia.
Profile: Heliotaurus ruficollis
Size: Measures between 9 mm and 15 mm in length.
Appearance: Features a pitch-black head, legs, and abdomen, contrasted by a distinctly bright red or orange pronoto (the shield-like plate behind the head).
Diet: Adults are strictly floricolous, feeding on the pollen and nectar of umbellifers and other wildflowers.
Ecological Role: They act as opportunistic pollinators but can cause localized damage to flowers when they overfeed on petals and reproductive organs.
Life Cycle: While adults forage in the sun, larvae are detritivores that live in the soil and feed on decaying vegetation.
Thursday, 13 May 2021
13-5-2021 MONTE CORONA, VALENCIA - HOUSE SPARROW (MALE) (Passer domesticus)
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The house sparrow (Passer domesticus) is a member of the sparrow family Passeridae. This small bird typically measures around 16 cm (6.3 in) in length and weighs between 24–39.5 g (0.85–1.39 oz). The species exhibits sexual dimorphism, with females and young birds displaying pale brown and grey plumage, while males are characterized by more vibrant black, white, and brown markings.
Males can be identified by their bright black, white, and brown markings, with a distinctive black bib, white cheeks, and a grey crown. Females lack the striking head patterns of males and are predominantly buffish with softer coloration. Juveniles resemble adult females but are generally paler with less defined markings.
The house sparrow is highly adaptable and can thrive in both urban and rural environments. It is commonly found in close association with human habitation and avoids dense forests, grasslands, polar regions, and deserts far from human development.
12-5-2021 SANTA POLA, ALICANTE - YELLOW LEGGED GULL (Larus michahellis)
The Yellow-legged Gull (Larus michahellis) is a large, robust seabird with a commanding presence. Its size can be quite variable, with the smallest females being scarcely larger than a Common Gull, and the largest males approaching the heft of a Great Black-backed Gull. Adults typically exhibit a grey back, a shade lighter than that of the Lesser Black-backed Gull, and their heads are notably whiter in the autumn months. A distinctive feature is their yellow legs, which give this species its common name.
When observing the Yellow-legged Gull, look for the yellow legs that contrast with the grey back and the white head, which becomes even whiter during the autumn. The wing tips are black with limited white spots, and adults have a red spot on the bill. The eye is surrounded by a red ring. Juveniles can be identified by their paler head, rump, and underparts, dark bill and eyes, and a black band on the tail.
This gull favors a variety of coastal environments, often nesting on sea cliffs, islands, and occasionally on buildings within urban settings. It is also known to breed on trees in some regions.
The Yellow-legged Gull has a breeding range centered around the Mediterranean Sea, extending to the Atlantic islands and coasts as far north as Brittany and west to the Azores. Its presence is also noted on the western side of the Black Sea.
12-5-2021 EL HONDO, ALICANTE - IBERIAN BLUE TAIL DAMSELFLY (Ischnura elegans)
The Iberian Bluetail – Ischnura graellsii – Cola azul ibérico is a small slender damselfly species. It is possibly the most commonly encountered and frequently the most numerous damselfly on the Iberian peninsula.
Total length: 26 to 31mm
Hind Wing length: 13 to 19mm
Flight period in Iberia: early June to early November
Habitat: Any wetland habitat with plentiful emergent vegetation including rivers, ditches and pools. Can sometimes be numerous around coastal lagoons & saltmarshes.
Distribution: The Mediterranean regions of Morocco, Algeria & Tunisia, Portugal & most of Spain
Similar species: Very similar to the Common Bluetail (Ischnura elegans) and the Scarce Bluetail (Ischnura pumilio) both of which occur on the Iberian peninsula.
12-5-2021 EL HONDO, ALICANTE - BLACK TAILED SKIMMER DRAGONFLY (Orthetrum cancellatum)
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This species is widespread in Europe and Asia. It is found throughout European continent including the Mediterranean islands but is absent in the north of Britain and the northern half of Fennoscandia. This is one of the most common European species and it is still increasing its range northwards. To the east, the range extends over central Asia to Kashmir, Mongolia to the northern parts of China and Arunachal Pradesh in India.
The black-tailed skimmer is abundant throughout its range and is one of the most commonly seen dragonflies in Europe. It holds a stable population and has no known major threats.
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This dragonfly is found at any open water with bare patches along the shore where the patrolling males frequently rest in the sun. It also inhabits near slow-flowing waters. It favors lakes, slow rivers, ponds and sometimes marshy area, without dense riparian vegetation. Females are less bold and not encountered as regularly. Adults prefer to perch on bare ground and rocks.
It is a fairly large dragonfly (the length of 47–53 mm, 29–35 mm abdomen, rear wing 35–41 mm.) with relatively broad, flattened abdomen, but not as broad as to chaser species. With age, adult males develop extensive blue pruinescence on their abdomen, offset by yellow lateral patches. The middle lobe of the pronotum is large and notched in the middle. The chest is yellow or yellowish-brown. The base of the hind wings do not show a dark opaque spots. The pterostigma is dark brown or black. On the front wings pterostigma 2–3 mm long. Anal appendages are black. The females and immature males are a deep yellow color, with wavy black lines dorsally on their abdomen. Males and females have the costal vein (the leading edge of the wing) yellow or black.
12-5-2021 EL HONDO, ALICANTE - GREATER FLAMINGO (Phoenicopterus roseus)
The greater flamingo, Phoenicopterus roseus, stands as the most widespread and largest member of the flamingo family. This majestic bird is adorned with pinkish-white plumage, save for the red wing coverts and contrasting black primary and secondary flight feathers. The bill is a striking pink with a black tip, and the legs are a uniform pink, completing the iconic look of this species.
Adult greater flamingos can be identified by their height, ranging from 110 to 150 cm, and their weight between 2 and 4 kg. The largest males can reach up to 187 cm tall and weigh 4.5 kg. Observers should note the distinctive coloration, with the majority of the body being pinkish-white, red wing coverts, and black flight feathers. The pink bill with a black tip and entirely pink legs are also key identification features. The call of the greater flamingo is reminiscent of a goose-like honking.
Greater flamingos favor mudflats and shallow coastal lagoons with saline water, where they can be seen stirring the mud with their feet in search of food.
This species is common in the Old World, with a range that includes Northern and Sub-Saharan Africa, the Indian Subcontinent, the Middle East, the Levant, and Southern Europe. Notably, they are found in coastal regions and along water bodies such as the Nile River, the Persian Gulf, the Gulf of Aden, the Red Sea, and the Mediterranean.
Greater flamingos are social birds, often found in large flocks. They feed with their heads down, filtering out sustenance from the water with their specially adapted bills. During the breeding season, these birds engage in a fascinating display of spreading uropygial secretions over their feathers to enhance their color, a behavior likened to applying "make-up."
The vocalization of the greater flamingo is a distinctive honking, similar to that of a goose, which can be heard over considerable distances.
The species lays a single chalky-white egg on a mud mound, a typical breeding behavior for flamingos.
Greater flamingos feed on a diet that includes small shrimp, seeds, blue-green algae, microscopic organisms, and mollusks. They filter their food from the water with their downward-facing heads and movable upper jaws.
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