Meet the world’s animals.

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• Frilled Monarch Arses telescopthalmus

  

  A monarch of lowland and foothill forest interiors in New Guinea. The sexes differ strongly: males have a white collar, while females have a rufous back.

• Common Diving Petrel Pelecanoides urinatrix

  This small diving seabird breeds on islands in the Southern Hemisphere. It forages in waters around its breeding islands and uses burrows on land at night.

• Mascarene Martin Phedina borbonica

  The Mascarene Martin is a small swallow about 15 cm long. It uses forests, mangroves and wetlands, catching insects in flight.

• Curl-crested Jay Cyanocorax cristatellus

  The Curl-crested Jay is a social bird marked by blue wings and tail and a curled crest.

• Giant Kingfisher Megaceryle maxima

  A large kingfisher of sub-Saharan African waters, hunting fish, crabs, and other prey.

• Angola Lark Amirafra angolensis

  This lark occurs mainly in Angola. Its rufous crown and pale tail are useful identification marks, while the pattern on its back changes seasonally.

• Rufous-necked Sparrowhawk Tachyspiza erythrauchen

  The Rufous-necked Sparrowhawk is a raptor with a grey body and a striking rufous collar. It lives in forests of the Moluccas and watches from tree perches.

• Rufous Wren Cinnycerthia unirufa

  The Rufous Wren lives in humid montane forest in the northern Andes. It is rich rufous with black lores and faintly barred wings and tail, usually moving in pairs or family groups.

• Chestnut-bellied Thrush Turdus fulviventris

  The male is a thrush with a black head, gray back and breast, and chestnut belly. It forages on the ground near edges of Andean montane forest.

• 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.

• Maxwell's Black Weaver Ploceus albinucha

  Glossy black plumage and pale eyes stand out on this weaver. In adults, white feather bases on the nape show as a pale patch.

• Plumbeous Antvireo Dysithamnus plumbeus

  This antvireo lives in the Atlantic Forest of southeastern Brazil. Males are gray with a blacker chest, while females are olive-brown. It searches for small arthropods in the lower forest stratum.

• River Prinia Prinia fluviatilis

  This prinia inhabits grassy river edges and wetlands. In a 2006 observation in Mali, twelve singing birds were recorded along riverbanks; three individuals seen well were much paler than another species.

• White-cheeked Tody-Flycatcher Poecilotriccus albifacies

  The White-cheeked Tody-Flycatcher is a small bird with a red crown and white cheeks. It lives in the Amazonian understory, especially in dense Guadua bamboo patches.

• Red-billed Pigeon Patagioenas flavirostris

  This large pigeon is shaded in purple, pink, and blue-gray. It ranges through tropical deciduous forests and feeds on fruit and berries high in trees.

• Tahiti Swiftlet Aerodramus leucophaeus

  This swiftlet occurs on Tahiti. The sexes look alike; the bird is dark with a grey rump. It catches insects in flight and nests colonially in wet, rocky, wooded valley canyons.

• Plumed Whistling Duck Dendrocygna eytoni

  The Plumed Whistling Duck is an Australian duck with a long neck and extended flank feathers that reach over its back. It feeds on grasses in wetlands and grasslands.

• Willow Ptarmigan Lagopus lagopus

  A grouse of subarctic and subalpine North America. In many regions its plumage changes with the seasons, and feathered feet help it cope with snow and cold.

• Black Cicadabird Coracina melas

  The Black Cicadabird occurs on New Guinea and is included in a field guide for the Mimika region. The guide describes different plumages for males and females.

• Bare-eyed Myna Streptocitta albertinae

  The Bare-eyed Myna has bare dark skin around the eyes, black-and-white plumage, and a long tail. It is restricted to Indonesia’s Sula Islands.

• Swamp Nightjar Caprimulgus natalensis

  This nightjar hides on the ground in damp grassland and wetlands, then catches flying insects from dusk onward. Its African range is broad but patchy.

• Yellow-browed Bulbul Acritillas indica

  This bulbul lives in forests in India and Sri Lanka. It has a yellow eyebrow, face, and throat, with olive upperparts.

• Chestnut Piculet Picumnus cinnamomeus

  This small woodpecker occurs in northern Colombia and northwestern Venezuela. It uses dry woodland, mangroves, and other dry scrubby habitats, and males and females differ in crown spotting.

• Northern Parula Setophaga americana

  A small warbler that catches insects high in eastern North American forests. It is bluish grey with yellow highlights, and breeding males have a breast band.