Meet the world’s animals.

Photos: 12,813 · Stories: 19,540

• Tundra Swan Cygnus columbianus

  

  This entry focuses on the Eurasian Bewick’s Swan, the form that migrates to Japan. It is white, with a prominent yellow patch at the base of the bill.

• Wailing Cisticola Cisticola lais

  The Wailing Cisticola is a grassland bird with a long tail and streaked back, ranging through eastern and southern Africa.

• Pied Thrush Geokichla wardii

  The male has striking black-and-white markings. The species breeds in Himalayan forests and moves south for the winter.

• Eurasian siskin Spinus spinus

  A yellow-and-brown bird that feeds on seeds of trees and grasses.

• Golden-backed Mountain Tanager Cnemathraupis aureodorsalis

  This large tanager is recorded in humid montane forest of Peru's eastern Andes at about 3,000–3,600 m. Its blue crown and golden back and underparts stand out.

• Blood-eared Parakeet Pyrrhura hoematotis

  The Blood-eared Parakeet occurs in Venezuela's mountains. Much of its plumage is green, with reddish-brown feathers around the ears; neck and chest patterns differ by subspecies.

• Maranon Pigeon Patagioenas oenops

  The Maranon Pigeon occurs in the upper Marañón Valley of the northern Andes. It feeds on plant seeds in woodland and along forest edges.

• Olive-capped Coua Coua olivaceiceps

  A coua of southwestern Madagascar. It has a greenish-gray back, brown crown and blue bare skin around the eye, and searches on the ground or in low bushes for large insects.

• Crested Goshawk Lophospiza trivirgata

  The Crested Goshawk is a raptor of forests and wooded edges from South to Southeast Asia. It hunts from concealed perches in trees.

• Green Hermit Phaethornis guy

  This large hummingbird has a long curved bill and white-tipped tail feathers. It feeds on nectar in the understory and edges of humid forest.

• Spot-crowned Antvireo Dysithamnus puncticeps

  This antvireo inhabits moist forests from Central America to northwestern South America. It searches for small invertebrates in the forest understory.

• Hoary-throated Spinetail Synallaxis kollari

  This spinetail is known from very few records in Roraima, at the northern end of Brazil. Its ecology is poorly documented, so the observations cannot be treated as a complete account of its behavior.

• White-cheeked Hill Partridge Arborophila atrogularis

  A forest-dwelling partridge with conspicuous white cheeks, it lives in dense evergreen forest and uses the forest floor and grassy edges.

• Blossom-headed Parakeet Psittacula roseata

  The Blossom-headed Parakeet is an Asian parakeet with a green body and contrasting head and shoulder colors. Adult plumage differs between sexes and the two subspecies. It forms small groups in wooded places.

• Bar-breasted Piculet Picumnus aurifrons

  The Bar-breasted Piculet is a small woodpecker of the Amazon forest canopy. Males have an orange forehead, which females lack.

• Spot-bellied Eagle-Owl Ketupa nipalensis

  This large eagle-owl has a spotted belly. It is nocturnal and hunts in humid riverside and mountain forests.

• Helmeted Pygmy Tyrant Lophotriccus galeatus

  This small flycatcher has a black crest and yellowish olive upperparts. It forages in the understory of forests on nutrient-poor soils.

• Narcissus flycatcher Ficedula narcissina

  A forest insect hunter whose male has striking yellow and black plumage.

• Maned Duck Chenonetta jubata

  An Australian duck that often walks on land to find food in grassland.

• Croaking Cisticola Cisticola natalensis

  It is the largest cisticola in southern Africa. It lives in moist grasslands, where breeding males call from exposed perches and make display flights.

• Spot-winged Thrush Geokichla spiloptera

  The Spot-winged Thrush has two pale bars on its wings and brown spots across its breast and belly. It searches forest floors in Sri Lanka for insects and fallen fruit.

• Blue-naped Chlorophonia Chlorophonia cyanea

  The male is a small bird with vivid blue, green, and yellow plumage. It searches for fruit high in trees; the preserved account records it at nine southeastern Brazilian localities.

• Chestnut-throated Seedeater Sporophila telasco

  This small seedeater ranges along the Pacific slope from southern Colombia to northern Chile. In Chile it uses dry valleys and farmland, mainly below 1,000 m.

• Bronze-winged Parrot Pionus chalcopterus

  The Bronze-winged Parrot is a medium-sized parrot with blue and green plumage. It lives in mountain forests and other wooded areas of northwestern South America, flying in groups to find fruit and seeds.