Meet the world’s animals.

Photos: 12,673 · Stories: 19,540

• Citron-headed Yellow Finch Sicalis luteocephala

  

  Citron-headed Yellow Finch is a small finch described as nearly endemic to Bolivia. The forecrown, sides of the face, throat, and central belly are bright yellow, contrasting with gray upperparts and flanks. The account records dry scrub, open woodland, and holes in ravine banks.

• Black-billed Capercaillie Tetrao urogalloides

  This grouse has strongly different male and female plumage. In Siberian taiga, males gather at visible display sites in spring, calling and fanning their tails during courtship.

• Ross's Goose Anser rossii

  A small goose that breeds in the Canadian Arctic and migrates to parts of the southern United States for winter. Adults are white with black wingtips, a shorter neck, and a smaller bill than a Snow Goose.

• Pearled Treerunner Margarornis squamiger

  This Andean bird has a yellowish-buff eyebrow, chestnut upperparts, and a cream throat. It uses upper subtropical and temperate forests and woodland and feeds mostly on arthropods.

• Abyssinian Thrush Turdus abyssinicus

  A thrush of eastern African highlands, recorded in forest, scrub, inland wetlands and human-modified habitats. BirdLife International’s 2016 assessment classifies it as an altitudinal migrant.

• Red-fronted Serin Serinus pusillus

  The Red-fronted Serin is a small finch of mountain slopes and meadows that feeds mainly on seeds. In winter it may descend to lower valleys.

• Brown-capped Tyrannulet Ornithion brunneicapillus

  The Brown-capped Tyrannulet is a small bird of forest canopy, usually seen alone or in pairs. It has a short tail and yellow underparts, with a white eyebrow that curves across the forehead.

• Chinese Rubythroat Calliope tschebaiewi

  A paper reports one vagrant adult male in Uttarakhand, northern India. This single record does not establish a regular range there.

• Mountain Parakeet Psilopsiagon aurifrons

  The Mountain Parakeet has several subspecies with different plumages and ranges. This entry describes the nominate subspecies aurifrons. Its male is mainly green, with yellow on the face and throat and blue on the outer primary feathers.

• Blue-crowned Hanging Parrot Loriculus galgulus

  The Blue-crowned Hanging Parrot is a small parrot of Southeast Asian forests. The sexes differ in their blue and red head markings, and the bird may rest hanging upside down from a branch.

• Bruce's Green Pigeon Treron waalia

  Bruce's Green Pigeon is a daytime fruit-eating pigeon of Afrotropical woodland, savanna, and riverine forest.

• Powerful Boobook Ninox strenua

  The Powerful Boobook is a large owl of forests in eastern and south-eastern Australia. It hunts mainly arboreal mammals, often waiting from a tree perch.

• Chestnut-backed Antbird Poliocrania exsul

  The Chestnut-backed Antbird is described as an understory bird of lowland tropical forest from Honduras to Ecuador. The committee page describes five subspecies in two broad groups distinguished in part by white wing spots.

• Long-winged Harrier Circus buffoni

  The Long-winged Harrier searches for prey over wetlands and grasslands in South America. Plumage differs by sex, and birds occur in light and dark forms.

• Waved Woodpecker Celeus undatus

  The Waved Woodpecker has chestnut and black bars. It searches for ants and termites in the treetops and excavates a nest cavity in a tree.

• Blue-headed Coucal Centropus monachus

  The Blue-headed Coucal occurs in sub-Saharan Africa. Its crown and nape are black with a blue sheen in good light, while the lower back and wings are chestnut.

• Chattering Cisticola Cisticola anonymus

  A 2007 paper treated a Sierra Leone population as Chattering Cisticola, while noting it might represent a distinct local form. It describes grey-brown birds with plain backs recorded around wet rice fields.

• Rainbow-bearded Thornbill Chalcostigma herrani

  This hummingbird occurs in the northern Andes of Colombia and Ecuador. Males have an elongated, multicoloured gorget; both sexes have white-tipped tails.

• Band-tailed Seedeater Catamenia analis

  The Band-tailed Seedeater is a small bird whose male has blue-gray plumage and a white tail band. It feeds in dry montane scrub and other open habitats.

• Temminck's Tragopan Tragopan temminckii

  Temminck’s Tragopan is a pheasant of mountain forests. Males show a blue face and spotted russet plumage, and display during courtship.

• Harlequin Duck Histrionicus histrionicus

  A duck whose breeding male is slate blue with white markings and chestnut sides; it breeds in fast streams and winters on rough rocky coasts.

• Peruvian Seaside Cinclodes Cinclodes taczanowskii

  A brown bird of Peru's coast, it stays close to the ocean and is found more often on rocky shores or artificial embankments than on sandy beaches.

• Aztec Thrush Ridgwayia pinicola

  The Aztec Thrush has dark brown-black upperparts and a white underside. It lives in moist montane forest in Mexico and includes fruit in its diet.

• Golden-browed Chlorophonia Chlorophonia callophrys

  The Golden-browed Chlorophonia is a bright green and yellow bird; adult males add a golden brow.