Meet the world’s animals.

Photos: 12,038 · Stories: 19,488

• Ucayali Bald Uacari Cacajao ucayalii

  

  This saki occurs in Amazonian forests of northeastern Peru. A taxonomic study described specimens from Peru's Río Javari-Mirim as reddish chestnut, while specimens from another area differed in color. At the Quebrada Blanco study site, sightings were more frequent in drier periods than during the rainy season.

• White-tailed Prairie Dog Cynomys (Leucocrossuromys) leucurus

  

  The white-tailed prairie dog lives in dry grasslands and shrublands, where it builds colonies of burrows.

• Red-tailed Phascogale Phascogale calura

  

  This marsupial has a gray back, cream underside and a black brush at the end of its tail. It mainly lives in trees.

• Dong Bac Trident Bat Aselliscus dongbacanus

  

  This bat is known from limestone karst in northeastern Vietnam. The original description named it Aselliscus dongbacana; this entry uses the current Mammal Diversity Database spelling, Aselliscus dongbacanus.

• Southern Spiny Pocket Mouse Heteromys australis

  

  This pocket mouse ranges from eastern Panama through Colombia and western Venezuela to extreme northwestern Ecuador. It has dark-gray dorsal fur and lives in very wet evergreen forests.

• Bearded Capuchin Sapajus libidinosus

  

  The bearded capuchin is a capuchin monkey native to Brazil. Its coat is yellowish to beige, with dark limbs and a thick cap of hair.

• Big Crested Mastiff Bat Promops centralis

  This mastiff bat of the Americas flies fast on long wings. It uses habitats from forests to open country and roosts in tree hollows or buildings.

• Greater Japanese Horseshoe Bat Rhinolophus nippon

  Rhinolophus nippon is a large horseshoe bat recorded in Japan. In a 2003 study, adult females in Yamaguchi Prefecture foraged in open forest areas and along woodland paths.

• Wood Lemming Myopus schisticolor

  The wood lemming lives in the moss layer on the floor of wet coniferous forests. It gathers and hides moss in autumn to eat during winter.

• New Holland Pseudomys Pseudomys novaehollandiae

  This small mouse has pale gray-brown fur and pink feet. Its recorded populations are scattered across grassland and woodland in southeastern Australia.

• California Myotis Myotis (Pizonyx) californicus

  The California myotis is a small North American bat. Its coat varies with location, including between dry regions and high elevations.

• Kit fox Vulpes macrotis

  A small fox of dry grasslands and deserts in the American Southwest. Its large ears are easy to recognize.

• Bay Cat Catopuma badia

  The Bornean bay cat is a rarely detected wild cat of Borneo’s forests. Records exist, but much about its diet and way of life remains unknown.

• European Mink Mustela lutreola

  This slender mustelid lives near water and is marked by brown fur and white areas on both lips.

• Black-capped Fruit Bat Chironax melanocephalus

  This small bat has a dark head and yellow-to-orange hair on the sides of the neck and shoulders. It is recorded in forests of the Malay Peninsula, Sumatra, Java and Borneo and feeds mainly on fruit.

• Commerson's dolphin Cephalorhynchus commersonii

  A boldly patterned dolphin of shallow seas around southern South America and elsewhere.

• Dwarf Fat-tailed Mouse Opossum Thylamys velutinus

  The velvety fat-tailed opossum has been recorded in Brazil’s Cerrado and has a tail whose thickness changes seasonally.

• Roloway Monkey Cercopithecus roloway

  The Roloway monkey lives in groups in mature forests of West Africa. Its gray coat, red rump patch, pale chest fur, and long beard stand out.

• Huemul Hippocamelus bisulcus

  The huemul is a mountain-adapted deer that lives in the Patagonian forests of Argentina and Chile.

• Philippine Sheath-tailed Bat Emballonura alecto

  This insect-eating bat was recorded in a cave survey in the southern Philippines. Surveyed individuals averaged 76 mm in total length, with tails 31.5 mm long. They roosted in small hollows in partly lit caves.

• Spectral Bat Vampyrum spectrum

  A large carnivorous bat of tropical forests in Central America and northern South America.

• Canarian Shrew Crocidura canariensis

  The Canarian shrew is a medium-sized shrew of the eastern Canary Islands. It eats insect larvae and has also been recorded preying on lizards.

• Lelwel Hartebeest Alcelaphus lelwel

  Alcelaphus lelwel has a reddish coat, pale rump and narrow upright V-shaped horns. Its HMW species account describes grass-only feeding in savanna mixed with woodland, with feeding peaks late in the day.

• New England cottontail Sylvilagus transitionalis

  The New England cottontail uses shrubland and dense thickets in young forest. It is difficult to distinguish visually from the related eastern cottontail.