Ornithology
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in a farmland area a few weeks ago at a large pool
Ardea cinerea
blauwe reiger
héron cendré
Graureiher
Garza Real
Airone cenerino
Garça-real
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It's the smallest bird in Europe, and its nesting in Portugal is restricted to Azores. It is also the species with the greatest adaptive radiation in the archipelago, being currently recognized three subspecies: R.r. sanctae-mariae (Santa Maria), Regulus r. azoricus (São Miguel) e R.r. inermis (Grupo Central e Flores).
Lagoa das Sete Cidades, São Miguel, Açores
Daimiel, Ciudad Real, España (Spain)
Canon EOS 7D Mark II
TAMRON SP 150-600mm F/5-6.3 Di VC USD G2 AO22
ƒ/6.3, 600.0 mm, 1/1000, ISO250
Chttps://www.flickr.com/uploadanon jsnchezyage's photos on Flickriver</a</a</a</
Little Tern - Sterna Albifrons
This delightful chattering seabird is the UK's smallest tern. It is short-tailed and has a fast flight. Its bill is a distinctive yellow with a black tip. It is noisy at its breeding colony where courtship starts with an aerial display involving the male calling and carrying a fish to attract a mate, which chases him up high before he descends, gliding with wings in a 'V'.
Its vulnerable nesting sites and its decline in Europe make it an Amber List species. It is also listed as a Schedule 1 species in The Wildlife and Countryside Act.
This bird breeds on the coasts and inland waterways of temperate and tropical Europe and Asia. It is strongly migratory, wintering in the subtropical and tropical oceans as far south as South Africa and Australia.
There are three subspecies, the nominate albifrons occurring in Europe to North Africa and western Asia; guineae of western and central Africa; and sinensis of East Asia and the north and east coasts of Australia.[4]
The little tern breeds in colonies on gravel or shingle coasts and islands. It lays two to four eggs on the ground. Like all white terns, it is defensive of its nest and young and will attack intruders.
Like most other white terns, the little tern feeds by plunge-diving for fish, usually from saline environments. The offering of fish by the male to the female is part of the courtship display.
At the beginning of the 19th century the little tern was a common bird of European shores, rivers and wetlands, but in the 20th century populations of coastal areas decreased because of habitat loss, pollution and human disturbance.
The loss of inland populations has been even more severe, since due to dams, river regulation and sediment extraction it has lost most of its former habitats. The Little Tern population has declined or become extinct in many European countries, and former breeding places on large rivers like the Danube, Elbe and Rhine ceased. Nowadays, only few river systems in Europe possess suitable habitats; the Loire/Allier in France, the Vistula/Odra in Poland, the Po/Ticino in Italy, the Daugava in Latvia, the Nemunas in Lithuania, the Sava in Croatia and the Drava in Hungary and Croatia. The status of the little tern on the rivers Tagus and lower Danube is uncertain.
"•Yellow-crowned Night-Herons forage both during the day and at night—in coastal areas the tide can trump the time of day: most foraging occurs from 3 hours before high tide to 3 hours after." The Cornell Lab of Ornithology Photographed in the wild, Nayarit, Mexico
"Ospreys are excellent anglers. Over several studies, Ospreys caught fish on at least 1 in every 4 dives, with success rates sometimes as high as 70 percent. The average time they spent hunting before making a catch was about 12 minutes—something to think about next time you throw your line in the water."
The Cornell Lab of Ornithology
Photographed in the wild, Ontario, Canada
Redstart (F) - Phoenicuros Phoenicuros
The common redstart (Phoenicurus phoenicurus), or often simply redstart, is a small passerine bird in the redstart genus Phoenicurus. Like its relatives, it was formerly classed as a member of the thrush family, (Turdidae), but is now known to be an Old World flycatcher (family Muscicapidae).
Common redstarts prefer open mature birch and oak woodland with a high horizontal visibility and low amounts of shrub and understorey especially where the trees are old enough to have holes suitable for its nest. They prefer to nest on the edge of woodland clearings. In Britain it occurs primarily in upland areas less affected by agricultural intensification, but further east in Europe also commonly in lowland areas, including parks and old gardens in urban areas. They nest in natural tree holes, so dead trees or those with dead limbs are beneficial to the species; nestboxes are sometimes used. A high cover of moss and lichen is also preferred. They also use mature open conifer woodland, particularly in the north of the breeding range. Management to thin out the trees is thus favoured.
In England, where it has declined by 55% in the past 25 years, the Forestry Commission offers grants under a scheme called England's Woodland Improvement Grant (EWIG); as does Natural Englands Environmental Stewardship Scheme. It is a very rare and irregular breeding bird in Ireland, with between one and five pairs breeding in most years, mainly in County Wicklow.
It is a summer visitor throughout most of Europe and western Asia (east to Lake Baikal), and also in northwest Africa in Morocco. It winters in central Africa and Arabia, south of the Sahara Desert but north of the Equator, from Senegal east to Yemen. It is widespread as a breeding bird in Great Britain, particularly in upland broadleaf woodlands and hedgerow trees, but in Ireland it is very local, and may not breed every year.
The males first arrive in early to mid April, often a few days in advance of the females. Five or six light blue eggs are laid during May, with a second brood in mid summer in the south of the breeding range. It departs for Africa between mid-August and early October. It often feeds like a flycatcher, making aerial sallies after passing insects, and most of its food consists of winged insects. The call is chat-like and the alarm a plaintive single note, wheet, like that of many other chats.
The male’s song is similar to that of the Robin, but never more than a prelude, since it has an unfinished, feeble ending.
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Male Eastern Bluebird
Amazing color! It is holding its territory against the swallows and house sparrows.
Cuban Grassquit, Cici Petit-chanteur, Tomeguín del Pinar, Tiaris Canorus
"Although still considered widespread across the main island of Cuba, its populations in many western and central areas have declined steeply in recent years, especially close to human settlements, principally due to trapping for the cagebird trade but perhaps also as a result of deforestation."
Neotropical Birds, The Cornell Lab of Ornithology
The Cuban Grassquit is endemic to Cuba
International Ornithological Committee, split the magnificent hummingbird into two species, Rivoli's hummingbird and Talamanca Hummingbird.
Red Throated Diver - Gavia stellata)
Norfolk
The red-throated loon (North
America) or red-throated diver (Britain and Ireland) (Gavia stellata) is a migratory aquatic bird found in the northern hemisphere. The most widely distributed member of the loon or diver family, it breeds primarily in Arctic regions, and winters in northern coastal waters.
The red-throated loon is the smallest and lightest of the world's loons. In winter, it is a nondescript bird, greyish above fading to white below.
During the breeding season, it acquires the distinctive reddish throat patch which is the basis for its common name. Fish form the bulk of its diet, though amphibians, invertebrates, and plant material are sometimes eaten as well.
A monogamous species, red-throated loons form long-term pair bonds. Both members of the pair help to build the nest, incubate the eggs (generally two per clutch), and feed the hatched young.
The red-throated loon has a large global population and a significant global range, though some populations are declining. Oil spills, habitat degradation, pollution, and fishing nets are among the major threats this species faces. Natural predators—including various gull species, and both red and Arctic foxes, will take eggs and young. The species is protected by international treaties.
Yellow rumped Warbler
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"The Sanderling’s black legs blur as it runs back and forth on the beach, picking or probing for tiny prey in the wet sand left by receding waves. Pick a beach with a low, gradual slope and walk along the water’s edge. Look for small shorebirds running back and forth in sync with the waves—these are likely to be Sanderlings.." Cornell Lab of Ornithology Photograhed in the wild, Florida, USA.
Yellow warbler at sunset.
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Collared Aracari (Pteroglossus torquatus), taking a rest. Seen here in the rainforest of Costa Rica.
A hen mallard rests under a thick stand of willows just before sunset at the San Louis National Wildlife Refuge.
Himalayan Woodpecker (Dendrocopos himalayensis) captured at Naltar, Gilgit, Gilgit-Baltistan, Pakistan with Nikon D500 and 200-500mm f/5.6E ED VR.
For detailed information about Birds of Gilgit-Baltistan visit www.birdsofgilgit.com
"Mallard pairs are generally monogamous, but paired males pursue females other than their mates. So-called “extra-pair copulations” are common among birds and in many species are consensual, but male Mallards often force these copulations, with several males chasing a single female and then mating with her." Cornell Lab of Ornithology Photograhed in the wild, Rideau River, Ontario, Canada.
“Spectacular and conspicuous black-and-yellow bird of tropical lowlands in west Mexico. Favors deciduous forest and edges, plantations, and hedges with tall trees; often in towns and villages, especially near streams and rivers. Usually in flocks, moving through the canopy to feed at flowering and fruiting trees, but also feeds readily on the ground; often associates with flocks of jays. No similar species in range. Note the raised crest that flares up like a floppy fountain spray.”
Birds of the World. Cornell Lab of Ornithology
Photographed in the wild, Jalisco, Mexico
Fotografiado en la naturaleza, Jalisco, México.
Nikon D500 & AF-S NIKKOR 200-500mm f/5.6E ED VR 1/1000 sec @ f/5.6 380mm ISO 400