Meet the world’s animals.

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• Gray Whistler Pachycephala simplex

  

  The Gray Whistler is a small bird with a grayish back and pale underparts.

• Hispaniolan Hutia Plagiodontia aedium

  

  The Hispaniolan hutia is a rodent found only on the Caribbean island of Hispaniola. Its dark-brown back, paler underside, and nearly hairless tail are useful clues.

• Pied-billed Grebe Podilymbus podiceps

  

  A small brown diving bird common across much of North America. It often hides among wetland plants and dives for food.

• Black-and-white ruffed lemur Varecia variegata

  

  A mainly fruit-eating lemur of eastern Madagascar’s rainforests.

• Blackish Nightjar Nyctipolus nigrescens

  

  The Blackish Nightjar inhabits lowlands and foothills of northern South America. Its finely patterned brown and gray plumage blends with rocky ground near forest edges.

• Binturong Arctictis binturong

  

  A civet relative of South and Southeast Asian forests, with long black fur and a long grasping tail.

• Slate-colored Hawk Buteogallus schistaceus

  The Slate-colored Hawk lives in Amazonia. Adults are dark gray, with a red face and legs and a white tail band. It searches for prey in forests near water, and one observation records it catching a fish.

• Common vampire bat Desmodus rotundus

  A bat from Mexico through much of South America that feeds on animal blood.

• Spotted Dikkop Burhinus capensis

  The Spotted Dikkop is a ground-dwelling bird with long legs and yellow eyes. It hunts insects by running, stopping, and jabbing at prey with its bill.

• Peters' Mouse Lemur Microcebus myoxinus

  Peters's mouse lemur is a small primate of western Madagascar. At night it searches for fruit and insects in trees, usually foraging alone.

• Scarlet-crowned Barbet Capito aurovirens

  This barbet is about 18.5 cm long. Males have a red crown and females a pale one; both have an olive body with an orange throat and breast.

• Ladak Pika Ochotona (Conothoa) ladacensis

  The Ladak Pika is a large pika living in groups in open high-elevation habitats of Ladakh. A study in Changthang observed it gathering plants and storing them in haypiles.

• Giant Cowbird Molothrus oryzivorus

  The Giant Cowbird ranges from southern Mexico to northern Argentina. Males are black with a violet sheen, while females are dark brown. It lays eggs in other birds' nests, leaving them to raise its young.

• Varied White-fronted Capuchin Cebus versicolor

  The varied white-fronted capuchin has conspicuous white fur on the head and bright red fur on the chest and belly. It is restricted to Colombia's middle Magdalena Valley. An induced observation with one wild group recorded food sharing of eggs.

• Eastern Grass Owl Tyto longimembris

  This medium-sized owl lives in grassland and has long legs that project beyond the tail in flight.

• Greater Naked Bat Cheiromeles torquatus

  The greater naked bat is mostly hairless, with a ring of black bristles around its neck. It occurs in Southeast Asia and hunts insects at night.

• Northern Jacana Jacana spinosa

  The Northern Jacana lives in wetlands from Mexico to Panama and on some Caribbean islands. Its long legs and toes help it walk over floating plants.

• Bare-bellied Hedgehog Paraechinus nudiventris

  The bare-bellied hedgehog is marked by short spines on its back and a white underside. A survey in southern India recorded it sheltering in shrubs by day and foraging from evening into night.

• Great Black-backed Gull Larus marinus

  A large gull of the North Atlantic coast. Adults have broad black wings and back, a white head, and a large yellow bill.

• Acuminate Horseshoe Bat Rhinolophus acuminatus

  The Acuminate Horseshoe Bat is a nocturnal bat described in grayish and reddish color forms. It rests by day in caves, hollow trees, and other sites.

• Pin-tailed Manakin Ilicura militaris

  Males are mainly green, black, and white with a red tail, while females are olive-colored and shorter-tailed. Males perform courtship dances and make sounds with their wing feathers.

• Painted Spiny Pocket Mouse Heteromys pictus

  The painted spiny pocket mouse ranges from Mexico to northwestern Guatemala. It has a reddish-brown back, white underside, and spiny coat, and stores seeds in caches.

• Lemon-spectacled Tanager Chlorothraupis olivacea

  The Lemon-spectacled Tanager is a tanager of humid tropical forest. Its yellow lores and eye ring are reported as useful distinctions from close relatives.

• Geoffroy’s spider monkey Ateles geoffroyi

  A spider monkey that lives high in forest trees, using long limbs and a long tail.