Meet the world’s animals.

Photos: 12,676 · Stories: 19,540

• Mountain Owlet-Nightjar Aegotheles albertisi

  

  The Mountain Owlet-nightjar lives in New Guinea's mountain forests and is active at night. It has rufous and brown plumage forms and roosts in hollows by day.

• Golden Oldfield Mouse Thomasomys aureus

  This rodent is recorded in the mountains of eastern Ecuador. It has long fur, a grizzled yellow-brown back, and a paler underside.

• Patagonian Tinamou Tinamotis ingoufi

  A ground-dwelling bird of Patagonia in Argentina and Chile. In southern Chile, a study described its nest and feeding ecology in dry steppe and shrubland.

• Bare-rumped Sheath-tailed Bat Saccolaimus saccolaimus

  The Bare-rumped Sheath-tailed Bat ranges from South and Southeast Asia through Australia to islands of the western Pacific. It is an insect-eating bat active at night that roosts in tree hollows and rock crevices.

• Leaden Flycatcher Myiagra rubecula

  The male is leaden blue-gray, while the female has a rusty throat and breast. The species occurs in woodland and along waterways in eastern Australia.

• Hourglass Dolphin Lagenorhynchus cruciger

  A small dolphin of the cold offshore Southern Ocean, distributed around Antarctica. Its black-and-white flank pattern resembles an hourglass, though observations remain limited.

• Dohrn's Warbler Sylvia dohrni

  This small bird is endemic to Príncipe Island in São Tomé and Príncipe. It uses forest and cocoa plantations; a 2000 survey reported a yellow wash below in many individuals.

• Lesser Dawn Bat Eonycteris spelaea

  The Lesser Dawn Bat has a long, narrow muzzle and large eyes. It feeds on nectar and pollen and roosts in large colonies in caves and other sheltered places.

• Welcome Swallow Hirundo neoxena

  A blue-black back, rusty throat and long forked tail help identify it. It catches insects in flight and builds mud-and-grass nests on structures such as bridges or buildings.

• Sechuran Fox Lycalopex sechurae

  This small fox lives in dry coastal areas from northwestern Ecuador to Peru. It is nocturnal; food records from northern Peru include fruit and small animals.

• Fan-tailed Warbler Basileuterus lachrymosus

  This warbler lives in the understory of woods in Mexico and Central America. It moves near the ground and flicks or fans its long tail to show the white tips.

• Humboldt's Squirrel Monkey Saimiri cassiquiarensis

  This squirrel monkey occurs in the Amazon region of Brazil, Colombia, and Venezuela. The population treated as the nominate subspecies has a reddish-tan back, golden-yellow bases to the crown hairs, and orange forearms. Brazilian records include seasonally flooded, riparian, and secondary forests.

• Vanuatu Megapode Megapodius layardi

  The Vanuatu Megapode has bare red skin on its face and yellow legs. It lays eggs in burrows and uses heat from volcanic soil or sun-warmed ground.

• Striped polecat Ictonyx striatus

  A carnivore of Africa with striking white stripes on a black body. It is active alone at night and eats small animals and insects.

• Ivory-billed Aracari Pteroglossus azara

  This toucan occurs in the humid lowland forests of western Amazonian Bolivia. It has a pale bill and red, black, and yellow breast bands; fruit-feeding has been recorded in the canopy.

• Ring-tailed lemur Lemur catta

  A lemur of southern Madagascar and nearby regions, recognizable by its long tail with black-and-white rings.

• Paddyfield Warbler Acrocephalus agricola

  A relatively long, rounded tail and broad pale eyebrow distinguish the Paddyfield Warbler. It eats insects in reeds by lakes and rivers, breeding from Romania to Mongolia and wintering from Iran to China.

• Northern Tigrina Leopardus tigrinus

  The northern tiger cat is a small, slender wild cat with rosette-like spots. It lives alone and is active mainly at night.

• Southern Grey-headed Sparrow Passer diffusus

  This sparrow appears in wooded country, farmland, and gardens. It searches for food on the ground and may flock with other seed-eating birds.

• Speke's Gazelle Gazella spekei

  Speke's gazelle is a small gazelle with a black stripe and pale band along its flank. On Somalia's semi-desert plateaus, it responds to danger by leaping high with an arched back.

• Archbold's Newtonia Newtonia archboldi

  Archbold's Newtonia is a small bird of dry spiny forest and shrubland in southern Madagascar. It searches for spiders and insects on low branches.

• North Andean Huemul Hippocamelus antisensis

  The North Andean huemul moves across steep Andean slopes on short, strong legs. The male’s branched antlers and dark Y-shaped facial mark are distinctive.

• Cabanis's Spinetail Synallaxis cabanisi

  Cabanis’s Spinetail occurs in forest edges, secondary growth and bamboo thickets on the eastern Andes and adjacent regions.

• Collared Mongoose Urva semitorquata

  This mongoose is found in forests on Borneo and Sumatra. Much about its ecology, including its habitat preferences, remains poorly known.