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Various Passeriformes (perching birds) are commonly referred to as warblers. They are not necessarily closely related to one another, but share some characteristics, such as being fairly small, vocal, and insectivorous. (Source: Wikipedia.org, CC BY-SA)
The Matinan blue flycatcher (Eumyias sanfordi), also known as the Matinan flycatcher, is a species of bird in the family Muscicapidae. It is endemic to the island of Sulawesi in Indonesia. Its natural habitat is subtropical or tropical moist montane forests, and the species is threatened by habitat loss. The Matinan blue flycatcher is an unobtrusive small bird with an adult length of about 14.5 cm (5.7 in). The head and upperparts are greyish-brown, greyer on the crown of the head, darker on the side of the head and on the wings, and more olivaceous on the rump and tail. The underparts are pale brownish-grey and the area round the vent is yellowish buff. The large eye is black and the bill, which has a broad base and fine tip, is pinkish-buff and surrounded by short bristles. (Source: Wikipedia.org, CC BY-SA)
Dippers are members of the genus Cinclus in the bird family Cinclidae, so-called because of their bobbing or dipping movements. They are unique among passerines for their ability to dive and swim underwater. Dippers are small, chunky, stout, short-tailed, short-winged, strong-legged birds. The different species are generally dark brown (sometimes nearly black), or brown and white in colour, apart from the rufous-throated dipper, which is brown with a reddish-brown throat patch. Sizes range from 14–22 cm (5.5–8.7 in) in length and 40–90 g (1.4–3.2 oz) in weight, with males larger than females. Their short wings give them a distinctive whirring flight. They have a characteristic bobbing motion when perched beside the water, giving them their name. While under water, they are covered by a thin, silvery film of air, due to small bubbles being trapped on the surface of the plumage. (Source: Wikipedia.org, CC BY-SA)
The Muscovy duck (Cairina moschata) is a large duck native to the Americas, from the Rio Grande Valley of Texas and Mexico south to Argentina and Uruguay. Small wild and feral breeding populations have established themselves in the United States, particularly in Florida, Louisiana, Massachusetts, the Big Island of Hawaii, as well as in many other parts of North America, including southern Canada. Feral Muscovy ducks are found in New Zealand, Australia, and in parts of Europe. It is a large duck, with the males about 76 cm (30 in) long, and weighing up to 7 kg (15 lb). Females are noticeably smaller, and only grow to 3 kg (6.6 lb), roughly half the males' size. The bird is predominantly black and white, with the back feathers being iridescent and glossy in males, while the females are more drab. The amount of white on the neck and head is variable, as well as the bill, which can be yellow, pink, black, or any mixture of these colors. It may have white patches or bars on the wings, which become more noticeable during flight. Both sexes have pink or red wattles around the bill, those of the male being larger and more brightly colored. (Source: Wikipedia.org, CC BY-SA)
The eastern whip-poor-will (Antrostomus vociferus, also called 'whip-o-will', 'whip o' will', etc.) is a medium-sized (22–27 cm; 8.7-10.6 ins.) bird within the nightjar family, Caprimulgidae, from North America. The whip-poor-will is commonly heard within its range, but less often seen because of its camouflage. It is named onomatopoeically after its song. This medium-sized nightjar measures 22–27 cm (8+1⁄2–10+1⁄2 in) in length, spans 45–50 cm (17+1⁄2–19+1⁄2 in) across the wings and weighs 42–69 g (1+1⁄2–2+7⁄16 oz). Further standard measurements are a wing chord of 14.7 to 16.9 cm (5+13⁄16 to 6+5⁄8 in), a tail of 10.5 to 12.8 cm (4+1⁄8 to 5+1⁄16 in), a bill of 1 to 1.4 cm (3⁄8 to 9⁄16 in) and a tarsus of 1.5 to 1.8 cm (9⁄16 to 11⁄16 in). Adults have mottled plumage: the upperparts are grey, black and brown; the lower parts are grey and black. They have a very short bill and a black throat. Males have a white patch below the throat and white tips on the outer tail feathers; in the female, these parts are light brown. (Source: Wikipedia.org, CC BY-SA)
The great egret (Ardea alba), also known as the common egret, large egret, or (in the Old World) great white egret or great white heron is a large, widely distributed egret. The four subspecies are found in Asia, Africa, the Americas, and southern Europe. Recently it is also spreading to more northern areas of Europe. Distributed across most of the tropical and warmer temperate regions of the world, it builds tree nests in colonies close to water. The great egret is a large heron with all-white plumage. Standing up to 1 m (3.3 ft) tall, this species can measure 80 to 104 cm (31 to 41 in) in length with a wingspan of 131 to 170 cm (52 to 67 in). Body mass can range from 700 to 1,500 g (1.5 to 3.3 lb), with an average around 1,000 g (2.2 lb). It is thus only slightly smaller than the great blue or grey heron (A. cinerea). Apart from size, the great egret can be distinguished from other white egrets by its yellow bill and black legs and feet, though the bill may become darker and the lower legs lighter in the breeding season. In breeding plumage, delicate ornamental feathers are borne on the back. Males and females are identical in appearance; juveniles look like nonbreeding adults. Differentiated from the intermediate egret (Ardea intermedia) by the gape, which extends well beyond the back of the eye in case of the great egret, but ends just behind the eye in case of the intermediate egret. (Source: Wikipedia.org, CC BY-SA)
The American white ibis (Eudocimus albus) is a species of bird in the ibis family, Threskiornithidae. It is found from Virginia via the Gulf Coast of the United States south through most of the coastal New World tropics. This particular ibis is a medium-sized bird with an overall white plumage, bright red-orange down-curved bill and long legs, and black wing tips that are usually only visible in flight. Males are larger and have longer bills than females. The breeding range runs along the Gulf and Atlantic Coast, and the coasts of Mexico and Central America. Outside the breeding period, the range extends further inland in North America and also includes the Caribbean. It is also found along the northwestern South American coastline in Colombia and Venezuela. Populations in central Venezuela overlap and interbreed with the scarlet ibis. The two have been classified by some authorities as a single species. (Source: Wikipedia.org, CC BY-SA)
The white-throated sparrow (Zonotrichia albicollis) is a passerine bird of the New World sparrow family Passerellidae. The white-throated sparrow is a passerine bird of the New World sparrow family Passerellidae. It measures 15 to 19 cm (5.9 to 7.5 in) in length with a wingspan of 23 cm (9.1 in). Typical weight is 22 to 32 g (0.78 to 1.13 oz), with an average of 26 g (0.92 oz). Among standard measurements, the wing chord is 6.3 to 7.9 cm (2.5 to 3.1 in), the tail is 6.8 to 7.7 cm (2.7 to 3.0 in), the bill is 1 to 1.2 cm (0.39 to 0.47 in) and the tarsus is 2.2 to 2.4 cm (0.87 to 0.94 in). They are similar in appearance to the white-crowned sparrow, but with white throat markings and yellow lores. There are two adult plumage variations known as the tan-striped and white-striped forms. On the white-striped form the crown is black with a white central stripe. The supercilium is white as well. The auriculars are gray with the upper edge forming a black eye line. (Source: Wikipedia.org, CC BY-SA)
The barn swallow (Hirundo rustica) is the most widespread species of swallow in the world. It appears to have the largest natural distribution of any of the world's passerines, ranging over 251 million square kilometres globally. It is a distinctive passerine bird with blue upperparts and a long, deeply forked tail. It is found in Europe, Asia, Africa and the Americas. In Anglophone Europe it is just called the swallow; in northern Europe it is the only common species called a 'swallow' rather than a 'martin'. There are six subspecies of barn swallow, which breed across the Northern Hemisphere. Four are strongly migratory, and their wintering grounds cover much of the Southern Hemisphere as far south as central Argentina, the Cape Province of South Africa, and northern Australia. Its huge range means that the barn swallow is not endangered, although there may be local population declines due to specific threats. (Source: Wikipedia.org, CC BY-SA)
The white-crowned pigeon (Patagioenas leucocephala) is a fruit and seed-eating species of bird in the dove and pigeon family Columbidae. It is found primarily in the Caribbean. The white-crowned pigeon can measure 29–35 cm (11–14 in) in length, span 48–59 cm (19–23 in) across the wings, and weigh 150–301 g (5.3–10.6 oz). It is around the same size as the common rock pigeon, but weighs a bit less since it is generally less chunky and has a relatively longer and more square tail. Adult birds' plumage varies from a slate gray to an almost-black color. Its iridescent collar-patch is notably only seen under good lighting, shining a barred white pattern with green. Their distinct crown-patch can vary in shade of color from a more bright white in males to a more gray-white in most females. Juveniles can have a grayish-brown color for They have a white iris and a pale-tipped red bill. Juveniles are a less dark shade of grey, lack the nape pattern and white iris, and show only a few pale feathers on the crown. Their call is a loud, deep coo-cura-coo or coo-croo. This species is a member of a diverse clade of Patagioenas which vary much in appearance, but are united by their triple coos (except in the scaled pigeon). (Source: Wikipedia.org, CC BY-SA)
The white-crowned sparrow (Zonotrichia leucophrys) is a species of passerine bird native to North America. A medium-sized member of the New World sparrow family, this species is marked by a grey face and black and white streaking on the upper head. It breeds in brushy areas in the taiga and tundra of the northernmost parts of the continent and in the Rocky Mountains and Pacific coast. While southerly populations in the Rocky Mountains and coast are largely resident, the breeding populations of the northerly part of its range are migratory and can be found as wintering or passage visitors through most of North America south to central Mexico. (Source: Wikipedia.org, CC BY-SA)
The white-eyed slaty flycatcher (Melaenornis fischeri) is a small passerine bird of the genus Melaenornis in the Old World flycatcher family Muscicapidae. It is native to the African highlands from Ethiopia and Kenya through Rwanda to eastern Zaire and Malawi. The sub-species M. f. toruensis occurs in Rwanda and Burundi and has an inconspicuous eye-ring. (Source: Wikipedia.org, CC BY-SA)
The greater white-fronted goose (Anser albifrons) is a species of goose related to the smaller lesser white-fronted goose (A. erythropus). It is named for the patch of white feathers bordering the base of its bill, in fact albifrons comes from the Latin albus 'white' and frons 'forehead'. In Europe it has been known as the white-fronted goose; in North America it is known as the greater white-fronted goose (or 'greater whitefront'), and this name is also increasingly adopted internationally. Even more distinctive are the salt-and-pepper markings on the breast of adult birds, which is why the goose is colloquially called the 'specklebelly' in North America. Greater white-fronted geese are 64–81 cm (25–32 in) in length, have a 130–165 cm (51–65 in) wingspan, and weigh 1.93–3.31 kg (4 lb 4 oz – 7 lb 5 oz). They have bright orange legs and mouse-coloured upper wing-coverts. They are smaller than greylag geese. As well as being larger than the lesser white-fronted goose, the greater white-fronted goose lacks the yellow eye-ring of that species, and the white facial blaze does not extend upwards so far as in the lesser. (Source: Wikipedia.org, CC BY-SA)
The bald eagle (Haliaeetus leucocephalus) is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle (Haliaeetus albicilla), which occupies the same niche as the bald eagle in the Palearctic. Its range includes most of Canada and Alaska, all of the contiguous United States, and northern Mexico. It is found near large bodies of open water with an abundant food supply and old-growth trees for nesting. The bald eagle is an opportunistic feeder which subsists mainly on fish, which it swoops down upon and snatches from the water with its talons. It builds the largest nest of any North American bird and the largest tree nests ever recorded for any animal species, up to 4 m (13 ft) deep, 2.5 m (8.2 ft) wide, and 1 metric ton (1.1 short tons) in weight. Sexual maturity is attained at the age of four to five years. (Source: Wikipedia.org, CC BY-SA)
The oystercatchers are a group of waders forming the family Haematopodidae, which has a single genus, Haematopus. They are found on coasts worldwide apart from the polar regions and some tropical regions of Africa and South East Asia. The exceptions to this are the Eurasian oystercatcher, the South Island oystercatcher, and the Magellanic oystercatcher, which also breed inland, far inland in some cases. In the past there has been a great deal of confusion as to the species limits, with discrete populations of all black oystercatchers being afforded specific status but pied oystercatchers being considered one single species. (Source: Wikipedia.org, CC BY-SA)
The two-barred crossbill or white-winged crossbill (Loxia leucoptera) is a small passerine bird in the finch family Fringillidae. The crossbills are characterized by the mandibles crossing at their tips, which gives the group its English name. They are specialist feeders on conifer cones, and the unusual bill shape is an adaptation to assist the extraction of the seeds from the cone. The two-barred crossbill has a strong preference for larch (Larix), in Eurosiberia using Siberian larch (Larix sibirica) and Dahurian larch (L. gmelinii), and in North America Tamarack larch (L. laricina). It will also take rowan (Sorbus) berries, and in North America, also eastern hemlock (Tsuga canadensis) and white spruce (Picea glauca) cones. (Source: Wikipedia.org, CC BY-SA)
The silver gull (Chroicocephalus novaehollandiae) is the most common gull of Australia. It has been found throughout the continent, but particularly at or near coastal areas. It is smaller than the Pacific gull (Larus pacificus), which also lives in Australia. The silver gull should not be confused with the herring gull, which is called 'silver gull' in many other languages (scientific name Larus argentatus, German Silbermöwe, French Goéland argenté, Dutch zilvermeeuw), but is a much larger, robust gull with no overlap in range. The head, body, and tail are white. The wings are light grey with white-spotted, black tips. Adults range from 40–45 cm (15-17 Inches) in length. Mean wingspan is 94 cm (37 Inches) . Juveniles have brown patterns on their wings, and a dark beak. Adults have bright red beaks—the brighter the red, the older the bird. (Source: Wikipedia.org, CC BY-SA)
The willow ptarmigan (/ˈtɑːrmɪɡən/) (Lagopus lagopus) is a bird in the grouse subfamily Tetraoninae of the pheasant family Phasianidae. It is also known as the willow grouse and in Ireland and Britain, where the subspecies L. l. scotica was previously considered to be a separate species, as the red grouse. It breeds in birch and other forests and moorlands in northern Europe, the tundra of Scandinavia, Siberia, Alaska and Canada, in particular in the provinces of Newfoundland and Labrador and Quebec. It is the state bird of Alaska. In the summer the birds are largely brown, with dappled plumage, but in the winter they are white with some black feathers in their tails (British populations do not adopt a winter plumage). The species has remained little changed from the bird that roamed the tundra during the Pleistocene. Nesting takes place in the spring when clutches of four to ten eggs are laid in a scrape on the ground. The chicks are precocial and soon leave the nest. While they are young, both parents play a part in caring for them. The chicks eat insects and young plant growth while the adults are completely herbivorous, eating leaves, flowers, buds, seeds and berries during the summer and largely subsisting on the buds and twigs of willow and other dwarf shrubs and trees during the winter. (Source: Wikipedia.org, CC BY-SA)
Wilson's phalarope (Phalaropus tricolor) is a small wader. This bird, the largest of the phalaropes, breeds in the prairies of North America in western Canada and the western United States. It is migratory, wintering in inland salt lakes near the Andes in Argentina. They are passage migrants through Central America around March/April and again during September/October. The species is a rare vagrant to western Europe. Wilson's phalarope is slightly larger than the red phalarope at about 23 cm (9.1 in) in length. It is a dainty shorebird with lobed toes and a straight fine black bill. The breeding female is predominantly gray and brown above, with white underparts, a reddish neck and reddish flank patches. The breeding male is a duller version of the female, with a brown back, and the reddish patches reduced or absent. (Source: Wikipedia.org, CC BY-SA)
Wilson's plover (Charadrius wilsonia) is a small bird of the family Charadriidae. It was named after the Scottish-American ornithologist Alexander Wilson by his friend George Ord in 1814. Wilson's plover is a coastal wader which breeds on both coasts of the Americas from the equator northwards. Its range extends north to include much of the U.S. eastern seaboard, and the Pacific coast of Mexico on the west. The breeding male has a black breast band, lores and forecrown, and a rufous mask. Females and non-breeding males have a similar plumage, but the black of the breeding male is replaced by brown or rufous. Non-breeders have a greyer tint to the head and breast band. Immature birds are similar to the female, but the breast band is often incomplete. The adult's upper parts are mainly dark grey, with a short white wing bar and white tail sides. The underparts are white except for a breast band, and the legs are pink, brighter when breeding. The dark bill is large and heavy for a plover of this size. The call is a high weak whistle. (Source: Wikipedia.org, CC BY-SA)
The red-shouldered hawk (Buteo lineatus) is a medium-sized buteo. Its breeding range spans eastern North America and along the coast of California and northern to northeastern-central Mexico. It is a permanent resident throughout most of its range, though northern birds do migrate, mostly to central Mexico. The main conservation threat to the widespread species is deforestation. Males are 38 to 58 cm (15 to 23 in) long and weigh on average 550 g (1.21 lb). Females are slightly larger at 47 to 61 cm (19 to 24 in) in length and a mean weight of 700 g (1.5 lb). The wingspan can range from 90 to 127 cm (35 to 50 in). Adult birds can vary in mass from 460 to 930 g (1.01 to 2.05 lb). Among standard measurements, the wing bone is 28–35 cm (11–14 in) long, the tail is 16–24 cm (6.3–9.4 in) long and the tarsus is 7.5–9 cm (3.0–3.5 in). Adults have brownish heads, reddish chests, and pale bellies with reddish bars. (Source: Wikipedia.org, CC BY-SA)
The wood duck or Carolina duck (Aix sponsa) is a species of perching duck found in North America. The drake wood duck is one of the most colorful North American waterfowl. The wood duck is a medium-sized perching duck. A typical adult is from 47 to 54 cm (19 to 21 in) in length with a wingspan of between 66 to 73 cm (26 to 29 in). The wood duck's weight ranges from 454–862 grams (16.0–30.4 oz). This is about three-quarters the length of an adult mallard. It shares its genus with the Asian mandarin duck (Aix galericulata). The adult male has stunning multicolored iridescent plumage and red eyes, with a distinctive white flare down the neck. The female, less colorful, has a white eye-ring and a whitish throat. Both adults have crested heads. The speculum is iridescent blue-green with a white border on the trailing edge. The male's call is a rising whistle, jeeeeee; the females utter a drawn-out, rising squeal, do weep do weep, when flushed, and a sharp cr-r-ek, cr-e-ek for an alarm call. (Source: Wikipedia.org, CC BY-SA)
The wood stork (Mycteria americana) is a large American wading bird in the family Ciconiidae (storks), the only member of the family to breed in North America. It was formerly called the wood ibis, though it is not an ibis. It is found in subtropical and tropical habitats in the Americas, including the Caribbean. In South America, it is resident, but in North America, it may disperse as far as Florida. Originally described by Carl Linnaeus in 1758, this stork likely evolved in tropical regions. The head and neck are bare of feathers, and dark grey in colour. The plumage is mostly white, with the exception of the tail and some of the wing feathers, which are black with a greenish-purplish sheen. The juvenile differs from the adult, with the former having a feathered head and a yellow bill, compared to the black adult bill. There is little sexual dimorphism. (Source: Wikipedia.org, CC BY-SA)
The eastern wood pewee (Contopus virens) is a small tyrant flycatcher from North America. This bird and the western wood pewee (C. sordidulus) were formerly considered a single species. The two species are virtually identical in appearance, and can be distinguished most easily by their calls. The eastern wood pewee is 13.5–15 cm (5.3–5.9 in) in length and weighs around 14 g (0.49 oz). Wingspan ranges from 9.1-10.2 in (23-26 cm). The sexes are alike. The adult is gray-olive on the upperparts with light underparts, washed with olive on the breast. Each wing has two pale wing bars, and the primary remiges are long, giving the wingtip a slim and very pointed appearance. The upper part of the bill is dark, the lower part is yellowish. The songs are basically a mournful whistled pee-a'wee given in a series, which gave this bird its name, and a 'pe-wee' with a rising note at the end. (Source: Wikipedia.org, CC BY-SA)
The wood thrush (Hylocichla mustelina) is a North American passerine bird. It is closely related to other thrushes such as the American robin and is widely distributed across North America, wintering in Central America and southern Mexico. The wood thrush is the official bird of the District of Columbia. The wood thrush is a medium-sized thrush, with brown upper parts with mottled brown and white underparts. The male and female are similar in appearance. The song of the male is often cited as being the most beautiful in North America. The wood thrush is an omnivore, and feeds preferentially on soil invertebrates and larvae, but will also eat fruits. In the summer, it feeds on insects continuously in order to meet daily metabolic needs. It is solitary, but sometimes forms mixed-species flocks. The wood thrush defends a territory that ranges in size from 800 to 28,000 m2 (960 to 33,490 sq yd). The wood thrush is monogamous, and its breeding season begins in the spring; about 50% of all mated pairs are able to raise two broods, ranging in size from two to four chicks. (Source: Wikipedia.org, CC BY-SA)
The grey-breasted wood wren (Henicorhina leucophrys) is a species of bird in the family Troglodytidae. It is found from Mexico to Bolivia. The nominate subspecies of grey-breasted wood wren is 10 to 11.5 cm (3.9 to 4.5 in) long and weighs 13.5 to 17.7 g (0.48 to 0.62 oz). Its crown feathers are dull black with dark brown tips. Its nape and shoulders are a dark olive brown and its lower back, rump, and tail chestnut brown. The tail has blackish bars. It has a long gray-white supercilium, a wide black stripe behind the eye, and black cheeks streaked with pale gray. Its chin and throat are pale gray, the chest and belly a darker gray, and the sides of the belly and the lower flanks a dark buff. The other subspecies differ in size, the intensity of the color of various parts, and the amount, color, and placement of streaking. (Source: Wikipedia.org, CC BY-SA)
Woodpeckers are part of the bird family Picidae, which also includes the piculets, wrynecks, and sapsuckers. Members of this family are found worldwide, except for Australia, New Guinea, New Zealand, Madagascar, and the extreme polar regions. Most species live in forests or woodland habitats, although a few species are known that live in treeless areas, such as rocky hillsides and deserts, and the Gila woodpecker specialises in exploiting cacti. Members of this family are chiefly known for their characteristic behaviour. They mostly forage for insect prey on the trunks and branches of trees, and often communicate by drumming with their beaks, producing a reverberatory sound that can be heard at some distance. Some species vary their diet with fruits, birds' eggs, small animals, tree sap, human scraps, and carrion. They usually nest and roost in holes that they excavate in tree trunks, and their abandoned holes are of importance to other cavity-nesting birds. They sometimes come into conflict with humans when they make holes in buildings or feed on fruit crops, but perform a useful service by their removal of insect pests on trees. (Source: Wikipedia.org, CC BY-SA)
The worm-eating warbler (Helmitheros vermivorum) is a small New World warbler that breeds in the Eastern United States and migrates to southern Mexico, the Caribbean, and Central America for the winter. It is relatively plain with olive-brown upperparts and light-coloured underparts, but has black and light brown stripes on its head. It has a slim pointed bill and pink legs. In immature birds, the head stripes are brownish. The male's song is a short high-pitched trill. This bird's call is a chip or tseet. Worm-eating warblers are sexually monomorphic. Males and females can only reliably be sexed during the breeding season by the presence of a brood patch in females or a cloacal protuberance in males. These birds are also difficult to age. Hatch year/second year birds have rusty tips on tertials that wear off by March of the following year. Juveniles can be distinguished by duskier head markings, and cinnamon wingbars. (Source: Wikipedia.org, CC BY-SA)
Wrens are a family of brown passerine birds in the predominantly New World family Troglodytidae. The family includes 88 species divided into 19 genera. Only the Eurasian wren occurs in the Old World, where, in Anglophone regions, it is commonly known simply as the 'wren', as it is the originator of the name. The name wren has been applied to other, unrelated birds, particularly the New Zealand wrens (Acanthisittidae) and the Australian wrens (Maluridae). Most wrens are visually inconspicuous though they have loud and often complex songs. Exceptions include the relatively large members of the genus Campylorhynchus, which can be quite bold in their behaviour. Wrens have short wings that are barred in most species, and they often hold their tails upright. Wrens are primarily insectivorous, eating insects, spiders and other small invertebrates, but many species also eat vegetable matter and some eat small frogs and lizards. (Source: Wikipedia.org, CC BY-SA)
The palm warbler (Setophaga palmarum) is a small songbird of the New World warbler family. Palm warblers breed in open coniferous bogs and edge east of the Continental Divide, across Canada and the northeastern United States. These birds migrate to the southeastern United States, the Yucatán Peninsula, islands of the Caribbean, and eastern Nicaragua south to Panama to winter. They are one of the earlier migrants to return to their breeding grounds in the spring, often completing their migration almost two months before most other warblers. Unlike most Setophaga species, the Palm warbler's winter range includes much of the Atlantic coast of North America, extending as far north as southern Nova Scotia. Every year since 1900 the Palm warbler has been observed during Christmas Bird Count activities in Massachusetts, and consistently since 1958 in Nova Scotia. For the interval 1966-2015 the Palm warbler population increased throughout much of its northernmost breeding range. (Source: Wikipedia.org, CC BY-SA)
The greater yellowlegs (Tringa melanoleuca) is a large shorebird in the family Scolopacidae. It breeds in central Canada and southern Alaska and winters in southern North America, Central America, the West Indies and South America. The greater yellowlegs is similar in appearance to the smaller lesser yellowlegs. Its closest relative, however, is the greenshank, which together with the spotted redshank form a close-knit group. Among them, these three species show all the basic leg and foot colors found in the shanks, demonstrating that this character is paraphyletic. They are also the largest shanks apart from the willet, which is altogether more robustly built. The greater yellowlegs and the greenshank share a coarse, dark, and fairly crisp breast pattern as well as much black on the shoulders and back in breeding plumage. (Source: Wikipedia.org, CC BY-SA)
The yellow-throated warbler (Setophaga dominica) is a small migratory songbird species breeding in temperate North America. It belongs to the New World warbler family (Parulidae). In summer, male yellow-throated warblers display grey upperparts and wings, with double white wing bars. Their throats are yellow, and the remainder of their underparts are white, and are streaked with black on the flanks. Their heads are strongly patterned in black and white, with a long supercilium; the different subspecies may display yellow and white superciliums. Remiges and rectrices are black. They measure 14 cm (5.5 in) long. Other plumages of these birds – females immatures and non-breeding males – resemble washed-out versions of the summer males; in particular they have a less crisply defined strong head pattern. They also have less bright yellows, and dark grey feathers instead of black ones in the body plumage. Compared to many other New World warblers, sexual dimorphism is slight however. (Source: Wikipedia.org, CC BY-SA)
The yellow-bellied sapsucker (Sphyrapicus varius) is a medium-sized woodpecker that breeds in Canada and the northeastern United States. The yellow-bellied sapsucker has a length of around 19 to 21 centimetres (7+1⁄2 to 8+1⁄4 in), and an average weight of 50.3 grams (1.77 oz), although this can range anywhere from 35 to 62 grams (1.2 to 2.2 oz). The yellow-bellied sapsucker has a wingspan that ranges from 34 to 40 centimetres (13+1⁄2 to 15+3⁄4 in). The forehead is coloured bright red in the male (and very occasionally yellow), and a lighter shade of red in the female. Sometimes, this is the only place on the head a female will have red colouration, if it has any at all, as the female rarely has a black head with a few buff spots. The crown is bordered black, and is usually red, and is sometimes mixed with black in the female. There is a white stripe, starting above the eye, that extends and widens to the nape, being broken up by a thin black line on the hindneck. There is a broad black stripe going through the ear-coverts and down to the side of the neck. Below this black stripe is a white stripe that goes from the nasal tufts to the side of the breast. The throat and chin can be used to differentiated between the sexes, as they are white in the female, and red in the male. (Source: Wikipedia.org, CC BY-SA)
The yellow-billed magpie (Pica nuttalli), also known as the California magpie, is a large corvid that inhabits California's Central Valley and the adjacent chaparral foothills and mountains. Apart from its having a yellow bill and a yellow streak around the eye, it is virtually identical to the black-billed magpie (Pica hudsonia) found in much of the rest of North America. The scientific name commemorates the English naturalist Thomas Nuttall. The yellow-billed magpie is gregarious and roosts communally. There may be a cluster of communal roosts in one general area made up of a central roost containing many birds and several outlying roosts with fewer. Yellow-billed magpie flocks are known to engage in funeral-like behavior for their dead. When a magpie dies, a gathering of them congregates around the deceased bird where they call out loudly for 10-15 minutes. (Source: Wikipedia.org, CC BY-SA)
The yellow-crowned night heron (Nyctanassa violacea), is one of two species of night heron. Unlike the black-crowned night heron, which has a worldwide distribution, the yellow-crowned is restricted to the Americas. It is known as the bihoreau violacé in French and the pedrete corona clara in Spanish. The yellow-crowned night heron is a rather stocky wading bird, ranging from 55 to 70 cm (1 ft 10 in – 2 ft 4 in) and from 650 to 850 g (1.43–1.87 lb), the females being a little smaller than the males. The yellow-crowned night heron has a wingspan ranging from 101 to 112 cm (3 ft 4 in – 3 ft 8 in). The neck, slim when extended, exposes its large head (compared to its body), with a large and heavy bill. (Source: Wikipedia.org, CC BY-SA)
The yellow-billed cuckoo (Coccyzus americanus) is a cuckoo. Common folk-names for this bird in the southern United States are rain crow and storm crow. These likely refer to the bird's habit of calling on hot days, often presaging rain or thunderstorms. The genus name is from Ancient Greek kokkuzo, which means to call like a common cuckoo, and americana means 'of America'. Adults have a long tail, brown above and black-and-white below, and a black curved bill with yellow especially on the lower mandible. The head and upper parts are brown and the underparts are white. There is a yellow ring around the eye. It shows cinnamon on the wings in flight. Juveniles are similar, but the black on the undertail is replaced by gray. (Source: Wikipedia.org, CC BY-SA)
The yellow-breasted chat (Icteria virens) is a large songbird found in North America, and is the only member of the family Icteriidae. It was once a member of the New World warbler family, but in 2017, the American Ornithological Society moved it to its own family. Its placement is not definitively resolved. This species reaches a total length of 17 to 19.1 cm (6.7 to 7.5 in) and a wingspan of 23 to 27 cm (9.1 to 10.6 in). Body mass can range from 20.2 to 33.8 g (0.71 to 1.19 oz). Among standard measurements, the wing chord is 7.1 to 8.4 cm (2.8 to 3.3 in), the elongated tail is 6.9 to 8.6 cm (2.7 to 3.4 in), the relatively long, heavy bill is 1.3 to 1.6 cm (0.51 to 0.63 in), and the tarsus is 2.5 to 3.1 cm (0.98 to 1.22 in). These birds have olive upper parts with white bellies and bright-yellow throats and breasts. Other signature features of yellow-breasted chats are their large, white eye rings, and blackish legs. When seen, this species is unlikely to be mistaken for any other bird. (Source: Wikipedia.org, CC BY-SA)
The yellow rail (Coturnicops noveboracensis) is a small secretive marsh bird, of the family Rallidae that is found in North America. Adults have brown upperparts streaked with black, a yellowish-brown breast, a light belly and barred flanks. The short thick dark bill turns yellow in males during the breeding season. The feathers on the back are edged with white. There is a yellow-brown band over the eye and the legs are greenish-yellow. The birds measure 16–19 cm (6.3–7.5 in) in overall length; males have an average weight of 59 g (2.1 oz), females an average weight of 52 g (1.8 oz). The yellow rail are very elusive and seldom seen. They generally call at night resembling the sound of two stones being clicked together 'tik-tik tik-tik-tik' in repetition. When approached, they are more likely to rely on camouflage and escaping on foot through dense vegetation, rather than flushing. (Source: Wikipedia.org, CC BY-SA)
The yellow-breasted warbler (Phylloscopus montis) is a species of Old World warbler in the family Phylloscopidae. It is found in Indonesia, Malaysia, and Palawan Island in the Philippines. The species is most common on the islands of Sumatra and Borneo in Indonesia. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest. The species nests in mid-February and breeds February-April. It builds domed nests with a side entrance out of grasses and bryophytes. Nests are found among roots under the overhanging lip of an eroded bank or other similar place. It forages for food alone or with small parties of not more than five birds. (Source: Wikipedia.org, CC BY-SA)
The golden-crowned warbler (Basileuterus culicivorus) is a small New World warbler. The golden-crowned warbler is 12.7 cm (5.0 in) long and weighs 10 g (0.35 oz). It has grey-green upperparts and bright yellow underparts. The head is grey with a black-bordered yellow crown stripe, a yellow or white supercilium and a black eyestripe. Sexes are similar, but the immature golden-crowned warbler is duller, browner and lacks the head pattern other than the eyestripe. These birds feed on insects and spiders. The song is a high thin pit-seet-seet-seet-seet, and the call is a sharp tsip. It lays two to four rufous-spotted white eggs in a domed nest in a bank, often by a forest path, or under leaves on the forest floor. Parent birds will feign injury to distract potential nest predators. (Source: Wikipedia.org, CC BY-SA)
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yo soy de El Salvador y me llamo Helen Ingrid Pero tube que venirme para los estados Unidos
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tengo 14 años y la mayoria me salio bien y no estudie ni nada solo por que mi padre me enseño cuando salia de viaje con el
Muy buenos videos, las orientaciones son excelentes, importantes para evitar accidentes
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something in this test is not right. there were only 2 questions that i crossed out with an and you can check that it is a system error and not main. And i have already done this test 3 Times and it does the same thing to me.
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Muchas gracias, por permitir aprender y por hacerlo sin costo alguno. Muy . Felicitaciones. He visto libros que ofertan Online en todos los idiomas y Aplicaciones que me han comentado que resultan cuando son pagadas. Igual los libros los ofrecen con Vídeos, exámen simulado y de diferentes formas, el cliente lo elije y paga. Pero lo que ofrecen gratuito es valiosa ayuda, pero quizás lo determinante y recomendable es comprar para ir a lo seguro y después ir a la Escuela.
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Gracias por los ejemplos para el test. Una pregunta, alguien ha pasado el exámen estudiando de aqui? Yo ya hice el exámen en inglés y las preguntas eran bastante complejas. Hablo el inglé igual que el espanol pero ahora quiero tratar en espanol a ver si asi lo paso... Si alguien lo ha pasado solo con edsto o sabe de algun libro porfa me avisa? Gracias!!!
TEST ACTUALIZADO a 2024 con todas las preguntas revisadas acá: https://www.daypo.com/examen-teorico-manejo-sertracen-panama-2024-actualizado.html
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Nov 11, 2024
