Meet the world’s animals.

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• Tawny-crowned Greenlet Hylophilus ochraceiceps

  

  Its tawny forehead and crown distinguish it. It forages in the Amazonian forest understory and often joins mixed-species flocks.

• Cabanis's Ground Sparrow Melozone cabanisi

  Cabanis's Ground-Sparrow is endemic to Costa Rica, from the Central Valley east toward Turrialba. Adults have black-and-white facial markings and a large black chest patch; juveniles are browner and more faintly marked. It uses thickets, young secondary growth, fragmented groves, and coffee plots.

• Three-streaked Tchagra Tchagra jamesi

  It is recorded in dry bush country from Somalia through southern Ethiopia, southeastern Sudan, eastern Uganda, and Kenya to northeastern Tanzania. The field guide describes it as local and uncommon.

• White-throated Swift Aeronautes saxatalis

  The White-throated Swift is a slender, aerial bird associated with cliffs and canyons in western North America.

• Ash-colored Tapaculo Myornis senilis

  This tapaculo lives in Andean montane forest. It is mostly gray, feeds near the ground, and appears to be associated with bamboo stands.

• Black-mantled Goshawk Tachyspiza melanochlamys

  The Black-mantled Goshawk is a raptor of New Guinea's mountain forests. Adults show a strong contrast between dark upperparts and rufous underparts.

• Black-streaked Scimitar Babbler Erythrogenys gravivox

  This scimitar babbler lacks a pale eyebrow and has brown cheeks; most subspecies show black breast spots or streaks. It uses open woodland, edges, scrub and bamboo.

• Spangled Honeyeater Melipotes ater

  The Spangled Honeyeater lives in montane forest and tall secondary growth on Papua New Guinea’s Huon Peninsula. Its plumage is almost entirely black, with white spots below.

• Tataupa Tinamou Crypturellus tataupa

  This ground-dwelling tinamou occurs in South America. It walks through forest undergrowth and may use more open grassland and scrub.

• Amur Paradise Flycatcher Terpsiphone incei

  In Hong Kong it is recorded mainly as an autumn passage migrant, with fewer spring records. The Hong Kong avifauna says it prefers closed-canopy woodland. Males in breeding plumage grow long central tail feathers.

• Layard's Warbler Curruca layardi

  This warbler ranges from western Namibia through South Africa to Lesotho. Adult males have grey upperparts and a white throat marked with black streaks. It forages low in shrubs, alone or in pairs.

• Violet-green Swallow Tachycineta thalassina

  The Violet-green Swallow breeds in western North America. Its green and violet sheen and white facial markings make it distinctive.

• Canada Warbler Cardellina canadensis

  The Canada Warbler is a migrant that breeds in northern North American forests and winters in South America. It arrives on its breeding grounds late in spring.

• Saffron Toucanet Pteroglossus bailloni

  The Saffron Toucanet is a small toucan with a yellow head and breast and an olive back. It eats fruit and other food in the trees of southeastern South American forests.

• Black-browed Reed Warbler Acrocephalus bistrigiceps

  A small bird with a white eyebrow and a dark line above it, breeding in reed and silver-grass meadows.

• Great Sparrow Passer motitensis

  The Great Sparrow is a relatively large sparrow with a streaked back. In Namibia it searches trees and the ground for seeds and insects.

• Retz's Helmetshrike Prionops retzii

  Retz's Helmetshrike lives in woodland south of the Sahara and forages in cohesive groups of several to more than a dozen birds.

• Olive-backed Woodcreeper Xiphorhynchus triangularis

  This woodcreeper occurs in humid montane forest on Peru’s eastern Andes. Its rufous tail and buff spotting on the throat and chest help identify it; it forages from the midstory to the canopy.

• Malayan Banded Pitta Hydrornis irena

  This pitta occurs in peninsular Thailand, Malaysia, and Sumatra in Indonesia. BirdLife records it in lowland swamp and evergreen forests.

• Large-billed Scrubwren Sericornis magnirostra

  This small brown bird is recorded in the rainforests of northeastern Australia. It moves through low and middle levels of the forest, searching mainly for insects.

• Arctic Tern Sterna paradisaea

  A tern that travels from Arctic breeding grounds to Antarctic waters with the seasons. In Britain, it breeds along northern coasts.

• White-naped Xenopsaris Xenopsaris albinucha

  This small passerine occurs in separated parts of South America, from Venezuela to the southern cone. A study found resident, partly migratory, and migratory breeding populations, with seasonal plumage change in the records.

• Bolivian Slaty Antshrike Thamnophilus sticturus

  The Bolivian Slaty Antshrike occurs from eastern Bolivia into southwestern Brazil, in tropical dry forest. It has white wing spots and spots on the outer webs of many tail feathers that show from above when the tail is open.

• Elegant Quail Callipepla douglasii

  Males have a tawny crest and reddish wings. This quail lives in scrub and secondary vegetation in western Mexico, forming small flocks that break into pairs for breeding.