Meet the world’s animals.

Photos: 12,824 · Stories: 19,540

• Bald eagle Haliaeetus leucocephalus

  

  A North American eagle whose head and tail become white as it matures.

• Itatiaia Spinetail Asthenes moreirae

  This small ovenbird lives in high-elevation grasslands of southeastern Brazil. Its long, frayed tail is distinctive, and it forages among grass and shrubs.

• Slaty Tanager Creurgops dentatus

  This tanager uses humid Andean forests. Males are dusky gray with a rufous cap; females have rufous throat and underparts, and the species may forage in mixed flocks.

• Steely-vented Hummingbird Saucerottia saucerottei

  This hummingbird ranges from Central America to Colombia and northwestern Venezuela. It has a green body and a blue-black tail and feeds on flower nectar. It is recorded in secondary growth, scattered-tree savanna, coffee plantations, gardens, and edges of evergreen gallery forest.

• Black-billed Flycatcher Aphanotriccus audax

  This small flycatcher occurs locally from eastern Panama to northern Colombia. The male has an olive-grey crown.

• Yellow-footed Green Pigeon Treron phoenicopterus

  A green pigeon with yellow legs. It uses lowland forest, orchards, and parks, and is also seen in towns across much of South Asia.

• Karoo Chat Emarginata schlegelii

  This chat lives in semi-desert shrubland in southwestern Africa. It has a gray back, white underside, and white outer tail feathers, and catches insects in short flights.

• Black-winged Kite Elanus caeruleus

  The Black-winged Kite is a small raptor with a grey back, white underparts, and black shoulder patches. It has a broad range across Africa, southern Europe, and parts of Asia.

• Stripe-breasted Spinetail Synallaxis cinnamomea

  A furnariid of forest understory, edges, and scrubby woodland. Plumage and breast streaking vary geographically.

• Nightingale Finch Nesospiza questi

  A finch of Nightingale Island in Tristan da Cunha. A breeding study records females building nests in dense grass tussocks.

• Bumblebee Hummingbird Selasphorus heloisa

  The Bumblebee Hummingbird occurs in Mexico. An early naturalist account says males used forest as their main setting but also visited wildflowers.

• Social Flycatcher Myiozetetes similis

  A flycatcher with bright yellow underparts, a pale eye-stripe, and a black face, commonly seen in open countryside in Latin America.

• Azuero Dove Leptotila battyi

  This Panamanian dove is notable for the chestnut back and pale pink breast of the adult male. Its island and mainland populations belong to different subspecies.

• Littoral Rock-Thrush Monticola imerina

  The Littoral Rock-Thrush lives in dry woodland and scrub in southwestern and southern Madagascar. It hops on the ground and perches higher when disturbed.

• Chinese Sparrowhawk Tachyspiza soloensis

  The Chinese Sparrowhawk is a migratory raptor with narrow, pointed wings. Adult males and females differ in the color of their upperparts and underparts as it moves between East and Southeast Asia.

• Ruddy Spinetail Synallaxis rutilans

  This Amazonian spinetail has chestnut-rufous head and underparts with a black throat. It forages in the forest understory and appears associated with thick growth near treefall gaps.

• Black-and-chestnut Warbling Finch Poospiza whitii

  The Black-and-chestnut Warbling Finch ranges from Bolivia to northwestern Argentina. It has a black head, a white eyebrow that turns dark chestnut toward the rear, chestnut breast and flanks, and a pale belly. It uses scrub and wooded places and is recorded as an omnivore.

• Purple-throated Woodstar Calliphlox mitchellii

  Its main range is western Colombia and western Ecuador. The male has a glittering purple throat; the female lacks that purple throat. Residency in eastern Panama is presumed from two female specimens.

• Ash-breasted Tit-Tyrant Anairetes alpinus

  This small tyrant flycatcher lives in the high Andes of Peru and Bolivia. It moves along outer branches in Polylepis woodland and searches for caterpillars and other insects.

• Plain-breasted Ground Dove Columbina minuta

  The Plain-breasted Ground Dove feeds on seeds and fruit on the ground in dry grasslands and other open habitats. Males have a blue-gray head; females are paler.

• Swamp Flycatcher Muscicapa aquatica

  A small African flycatcher of wetlands and waterside grass. It has dark brown upperparts and a white throat and belly; the breast patch varies in tone and extent.

• Semiplumbeous Hawk Leucopternis semiplumbeus

  This small raptor inhabits humid forest from Central America into northwestern South America. It uses the understory and lower canopy and rarely ventures into open areas.

• Chestnut-winged Hookbill Ancistrops strigilatus

  This furnariid lives in forests of the Amazon Basin. It may join mixed-species flocks in the canopy and subcanopy.

• Lined Seedeater Sporophila lineola

  This small seedeater moves seasonally within South America. In Bolivia it is recorded in open places such as savannas, forest edges, fields, and towns. A study in southeastern Brazil found age-related plumage differences among breeding males.