Meet the world’s animals.

Photos: 12,636 · Stories: 19,540

• Gray-barred Wren Campylorhynchus megalopterus

  

  This wren lives in mountain forest in Mexico's central highlands. It is gray with narrow dark bars and moves through the forest in small groups.

• Western House Martin Delichon urbicum

  This swallow breeds across Europe and western Asia and winters south of the Sahara. It has blue-black upperparts, a white rump and underside, and a forked tail. It catches insects in flight and builds mud nests under eaves or on cliffs.

• Least Boobook Ninox sumbaensis

  This small owl was described from Sumba, Indonesia. The original study recorded it in places where forest remained.

• Chestnut-headed Crake Anurolimnas castaneiceps

  The Chestnut-headed Crake has a chestnut head, neck, and breast, with an olive-brown body. It forages in dense vegetation and bamboo in wet forest.

• Spot-winged Antshrike Pygiptila stellaris

  The Spot-winged Antshrike forages in Amazonian forest. Males and females have different plumage, and the bird may move through the midstory and canopy with mixed-species flocks.

• Martens's Warbler Seicercus omeiensis

  Martens’s Warbler (Seicercus omeiensis) breeds in China and winters in Southeast Asia. In Hong Kong it is a rare winter visitor to closed-canopy woodland and shrubland.

• Surfbird Calidris virgata

  A shorebird that moves to Arctic mountains to breed and spends other seasons on rocky Pacific shores.

• White-tailed Kite Elanus leucurus

  A kite with a white body and tail and gray wings. It hovers over grassland while searching for small mammals.

• Varzea Piculet Picumnus varzeae

  This tiny woodpecker is 8–9 cm long. It occurs in seasonally flooded forest along the Amazon in Brazil, and published natural-history records are limited.

• Guira Cuckoo Guira guira

  A cuckoo of open South American habitats that forages on the ground with others and may share a communal nest.

• Príncipe Speirops Zosterops leucophaeus

  This species occurs on Príncipe, where it joins mixed flocks in forests and plantations. Its pale head and underside help distinguish it from the darker Príncipe White-eye.

• Biak Black Flycatcher Myiagra atra

  This island flycatcher has glossy black males and gray females. Its range includes islands off northwestern New Guinea.

• Biak Paradise Kingfisher Tanysiptera riedelii

  The Biak Paradise Kingfisher is found only on Biak Island, Indonesia. It has blue plumage and a long tail, and takes insects and spiders from the forest floor.

• Tinkling Cisticola Cisticola rufilatus

  The Tinkling Cisticola lives in scrub and open woodland in south-central Africa. Its orange-rufous tail and call help distinguish it from the Rattling Cisticola.

• Eastern Long-tailed Hermit Phaethornis superciliosus

  The Eastern Long-tailed Hermit has a long, down-curved bill and long white-tipped tail feathers. It feeds at flowers beside tropical forest streams and also takes insects when flowers are scarce.

• Striated Bulbul Alcurus striatus

  This bulbul lives in broadleaf forests on hills and mountains. Its streaked plumage is distinctive, and it may move in noisy groups.

• Crimson-breasted Finch Rhodospingus cruentus

  A small finch of western Ecuador and northwestern Peru. Short seasonal movements have been reported in western Ecuador.

• Lincoln's Sparrow Melospiza lincolnii

  Lincoln's Sparrow often stays low and hidden in grass or brush. During the breeding season it uses moist mountain meadows.

• Adelaide's Warbler Setophaga adelaidae

  This small warbler is endemic to Puerto Rico. A 2016 paper also reports observations on St. Thomas and St. John in the U.S. Virgin Islands.

• Brown Quail Synoicus ypsilophorus

  The Brown Quail searches among ground vegetation and leaf litter for food. This account focuses on the population introduced to New Zealand.

• New Zealand Scaup Aythya novaeseelandiae

  The New Zealand Scaup is a diving duck. Large flocks can gather along lakeshores, sometimes close to people.

• Antarctic Tern Sterna vittata

  The Antarctic Tern occurs on southern subantarctic islands and exposed rocky areas of Antarctica. New Zealand birds belong to subspecies bethunei.

• Henna-hooded Foliage-gleaner Clibanornis erythrocephalus

  This Andean forest ovenbird has a reddish hood, wings, and tail that stand out against its brown body. It searches for prey by moving dead leaves near the forest floor.

• Green Cochoa Cochoa viridis

  The Green Cochoa lives in moist forest, often near streams. Males combine green and blue plumage, while females have brown wings and a blue tail.