Meet the world’s animals.

Photos: 12,584 · Stories: 19,526

• Black-cheeked Gnateater Conopophaga melanops

  

  This small bird searches for insects near the ground in Brazil’s eastern Atlantic Forest. Males have a distinctive black face pattern.

• African crested porcupine Hystrix (Hystrix) cristata

  

  A rodent with defensive quills and a crest over the head and neck.

• Javan Tesia Tesia superciliaris

  

  This tiny bird hides in low thickets in Java's mountains. Its very short tail, black crown, and dark eye stripe are distinctive.

• Bailey's Pocket Mouse Chaetodipus baileyi

  

  Bailey's pocket mouse is a small rodent of the Sonoran Desert. It is active at night and carries seeds and other food in its cheek pouches.

• Yellow-billed Loon Gavia adamsii

  

  A large loon with a black head, white back spots, and a pale yellow bill in breeding plumage. In Alaska it uses northern and western lakes in summer and nearshore waters in winter.

• Harp seal Pagophilus groenlandicus

  

  A seal of cold North Atlantic and Arctic waters. It gathers on pack ice during breeding and molting seasons.

• Peach-fronted Parakeet Eupsittula aurea

  Its green wings have blue edges, and its face has fine markings. Pairs and small groups use open areas and wetland edges.

• Long-tailed Ground Squirrel Urocitellus undulatus

  The long-tailed ground squirrel is a medium-sized, ground-dwelling squirrel of Central Asia. A Mongolian study found several genetically distinct regional groups.

• Buffy-crowned Wood Partridge Dendrortyx leucophrys

  This ground-dwelling partridge has a long tail and short crest. It walks through undergrowth in moist mountain forest and secondary growth in Costa Rica.

• Tammar wallaby Notamacropus eugenii

  A grass-eating wallaby with large ears and a long tail.

• Mountain White-eye Zosterops montanus

  The Mountain White-eye is described from Wallacea, the Greater Sundas, and the Philippines. The KOMIU profile places it in primary forest on high mountains.

• North Atlantic beaked whale Mesoplodon bidens

  This beaked whale lives in cold North Atlantic waters. Its reported diet is mainly squid and small fish, although its natural history remains poorly known.

• Tropical Gnatcatcher Polioptila plumbea

  This small gnatcatcher includes several regional forms. In Peru it has grey upperparts, whitish to greyish underparts, and a black-and-white tail that it often cocks.

• Galápagos sea lion Zalophus wollebaeki

  This sea lion lives along the Galápagos coast throughout the year. Its streamlined body helps it move through the water.

• Common Reed Bunting Emberiza schoeniclus

  The Common Reed Bunting is widespread in Britain and Ireland. Males have black heads, females have browner heads, and in winter they forage in farmland with other small birds.

• Brown Mouse Lemur Microcebus rufus

  The brown mouse lemur is a small mouse lemur found in rainforest and swamp habitats in southeastern Madagascar.

• Nullarbor Quail-thrush Cinclosoma alisteri

  The Nullarbor Quail-thrush is a ground-dwelling bird of southern Australia’s Nullarbor Plain. It walks slowly while foraging in low vegetation around limestone outcrops.

• Crowned Sifaka Propithecus coronatus

  A lemur of western Madagascar that moves through trees and feeds on leaves and fruit.

• Common Firecrest Regulus ignicapilla

  The Common Firecrest is a small bird with a pale eyebrow and a bright crown. In Spain, it searches for small invertebrates in cool, humid forests.

• Turkestan Red Pika Ochotona (Conothoa) rutila

  The Turkestan red pika is a pika of Central Asian mountains. Its coat is reddish brown in summer and gray in winter, and it stores grass among rocky slopes.

• Australian Fairy Tern Sternula nereis

  A small tern that nests on sandy beaches and dives into shallow water to catch fish.

• Red Acouchi Myoprocta acouchy

  The red acouchi is a diurnal rodent of forests from the Guianas to northern Brazil. Its reddish-orange flanks and legs and short, white-tipped tail are distinctive.

• Marshall's Iora Aegithina nigrolutea

  Marshall's Iora shows conspicuous white edges on its tail and wings. It searches for insects in dry acacia scrub and may join mixed-species flocks after breeding.

• Caucasian Birch Mouse Sicista caucasica

  The Caucasian birch mouse is a small rodent recorded in grasslands of the western Great Caucasus. Its back lacks a dark stripe, and field records include places with tall, dense vegetation.