Sibley-Monroe checklist 14

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The Sibley-Monroe checklist was a landmark document in the study of birds. It drew on extensive DNA-DNA hybridisation studies to reassess the relationships between modern birds.

Bird Warm-blooded, egg-laying vertebrates with wings, feathers and beaks

Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in size from the 5 cm (2 in) bee hummingbird to the 2.75 m (9 ft) ostrich. They rank as the world's most numerically-successful class of tetrapods, with approximately ten thousand living species, more than half of these being passerines, sometimes known as perching birds. Birds have wings which are more or less developed depending on the species; the only known groups without wings are the extinct moa and elephant birds. Wings, which evolved from forelimbs, gave birds the ability to fly, although further evolution has led to the loss of flight in flightless birds, including ratites, penguins, and diverse endemic island species of birds. The digestive and respiratory systems of birds are also uniquely adapted for flight. Some bird species of aquatic environments, particularly seabirds and some waterbirds, have further evolved for swimming.

Contents

Passeriformes (continued)

Callaeatidae

Huia Extinct species of New Zealand wattlebird from North Island

The huia is an extinct species of New Zealand wattlebird, endemic to the North Island of New Zealand. The last confirmed sighting of a huia was in 1907, although there were credible sightings as late as the early 1960s.

Picathartidae

White-necked rockfowl species of bird found in West Africa

The white-necked rockfowl is a medium-sized bird in the family Picathartidae, with a long neck and tail. Also known as the white-necked picathartes, this passerine is mainly found in rocky forested areas at higher altitudes in West Africa from Guinea to Ghana. Its distribution is patchy, with populations often being isolated from each other. The rockfowl typically chooses to live near streams and inselbergs. It has no recognized subspecies, though some believe that it forms a superspecies with the grey-necked rockfowl. The white-necked rockfowl has greyish-black upperparts and white underparts. Its unusually long, dark brown tail is used for balance, and its thighs are muscular. The head is nearly featherless, with the exposed skin being bright yellow except for two large, circular black patches located just behind the eyes. Though the bird is usually silent, some calls are known.

Grey-necked rockfowl species of bird

The grey-necked rockfowl is a medium-sized bird in the family Picathartidae with a long neck and tail. Also known as the grey-necked picathartes, this passerine is mainly found in rocky areas of close-canopied rainforest from south-west Nigeria through Cameroon, Equatorial Guinea, and south-west Gabon. It additionally lives on the island of Bioko. Its distribution is patchy, with populations often isolated from each other. The rockfowl typically chooses to live near streams and inselbergs in its forested habitat. It has no recognized subspecies, though some believe that it forms a superspecies with the white-necked rockfowl. The grey-necked rockfowl has grey upperparts, a light grey breast, and lemon-coloured underparts. Its unusually long tail is used for balance, and its thighs are muscular. The head is nearly featherless, with the exposed skin being powder blue on the forehead and upper mandible and carmine on the hindcrown. The bird’s cheeks and eyes are covered in a large, circular black patch that, though narrow, connects and divides the carmine and powder blue skin at the peak of the crown. Though the bird is usually silent, some calls are known.

Bombycillidae

Palmchat species of bird

The palmchat is a small, long-tailed passerine bird, the only species in the genus Dulus and the family Dulidae. It is thought to be related to the waxwings, family Bombycillidae, and is sometimes classified with that group. The name reflects its strong association with palms for feeding, roosting and nesting.

<i>Phainopepla</i> species of bird

The phainopepla or northern phainopepla is the most northerly representative of the mainly tropical Central American family Ptiliogonatidae, the silky flycatchers. Its name is from the Greek phain pepla meaning "shining robe" in reference to the male's plumage.

Bohemian waxwing A passerine bird from Eurasia and North America

The Bohemian waxwing is a starling-sized passerine bird that breeds in the northern forests of Eurasia and North America. It has mainly buff-grey plumage, black face markings and a pointed crest. Its wings are patterned with white and bright yellow, and some feather tips have the red waxy appearance that give this species its English name. The three subspecies show only minor differences in appearance. Females are similar to males, although young birds are less well-marked and have few or no waxy wingtips. Although the Bohemian waxwing's range overlaps those of the cedar and Japanese waxwings, it is easily distinguished from them by size and plumage differences.

Cinclidae

White-throated dipper species of bird

The white-throated dipper, also known as the European dipper or just dipper, is an aquatic passerine bird found in Europe, Middle East, Central Asia and the Indian Subcontinent. The species is divided into several subspecies, based primarily on colour differences, particularly of the pectoral band. The white-throated dipper is Norway's national bird.

Brown dipper species of bird

The brown dipper, also known as Pallas's dipper, Asian dipper or the Asiatic dipper, is an aquatic songbird found in the mountains of southern and central Asia. It is a thrush-like bird with a cocked tail. Its plumage is chocolate-brown with a slightly lighter coloured back and breast. At 22 cm (8.7 in) and 87 g (3.1 oz), it is the largest of the dippers. This species, which is not often seen, is found at medium to low elevations where mountain streams flow.

American dipper species of bird

The American dipper, also known as a water ouzel, is a stocky dark grey bird with a head sometimes tinged with brown, and white feathers on the eyelids that cause the eyes to flash white as the bird blinks. It is 16.5 cm (6.5 in) long and weighs on average 46 g (1.6 oz). It has long legs, and bobs its whole body up and down during pauses as it feeds on the bottom of fast-moving, rocky streams. It inhabits the mountainous regions of Central America and western North America from Panama to Alaska.

Muscicapidae

Red-tailed ant thrush species of bird

The red-tailed ant thrush, also known as the red-tailed rufous thrush, is a species of bird in the family Turdidae. It is found in Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Gabon, Kenya, Somalia, Tanzania, and Uganda. Its natural habitat is subtropical or tropical moist lowland forests.

The white-tailed ant thrush, also known as the white-tailed rufous thrush, is a species of bird in the family Turdidae. It is found in Angola, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Kenya, Liberia, Nigeria, Sierra Leone, Tanzania, Togo, and Uganda. Its natural habitat is subtropical or tropical moist lowland forests.

Forest rock thrush species of bird

The forest rock thrush is a songbird in the family Muscicapidae, formerly placed in the Turdidae together with the other chats. It now includes Benson's rock thrush and Amber Mountain rock thrush as subspecies.

Sturnidae

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