Meet the world’s animals.

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• Sharp-tailed Streamcreeper Lochmias nematura

  

  The Sharp-tailed Streamcreeper is about 15.5 cm long, with a dark brown body, a pale eyebrow, and white-scaled underparts. It uses streamside scrub and nests near water.

• Black Duiker Cephalophus niger

  This small antelope is recorded from the Upper Guinea forest zone east to the Lower Niger area of western Nigeria. It has a dark body and legs, a grayish head and neck, and a reddish-brown crown tuft.

• Gurney's Pitta Hydrornis gurneyi

  Gurney's Pitta is a pitta whose males and females differ in head and belly color. It feeds on small animals on the forest floor in forests of southern Myanmar and southern Thailand.

• Southern Big-eared Brown Bat Histiotus magellanicus

  The southern big-eared brown bat is recorded in southern Chile and Argentina. Its appearance is described, while species-specific behavior remains poorly known.

• Weebill Smicrornis brevirostris

  This small bird occurs widely across Australia. Its short tail and stubby bill are distinctive, and it searches among tree leaves for food.

• Black-footed Gray Langur Semnopithecus hypoleucos

  This langur lives in southern India. It is active by day and feeds mainly on leaves.

• Armenian Gull Larus armenicus

  The Armenian Gull is a relatively small gull with a short bill and a rounded head. It breeds on upland lakes and winters along coasts and inland wetlands.

• Sowell's Short-tailed Bat Carollia sowelli

  This Central American fruit-eating bat has soft gray-brown fur and a small white stripe on its head. It eats fruits including those of Piper plants.

• Cinereous Mourner Laniocera hypopyrra

  This mourner occurs in Amazonian lowland forest and elsewhere. A nest was reported in mature floodplain forest in Peru, and a Brazilian study documented a distinctive juvenile plumage.

• Australian Pale Field Rat Rattus tunneyi

  This rat lives in wetter parts of northern and eastern Australia. It has a pale brown back, a yellowish-grey to cream underside, and uses shallow burrows at night.

• Yellow-breasted Warbling Antbird Hypocnemis subflava

  This small antbird ranges from Peru's eastern Andean foothills into adjacent western Bolivia and Brazil. Its throat and belly are yellow, and the eyebrow differs in color between the sexes.

• Mongolian marmot Marmota (Marmota) sibirica

  The Siberian marmot hibernates through the harsh season.

• Scaled Quail Callipepla squamata

  The Scaled Quail walks in groups through the dry grasslands of the southwestern United States. Its pale-tipped crest and scaly-looking breast and belly stand out.

• Buffy-sided Oryzomys Euryoryzomys lamia

  This rodent has few known records in central Brazil. It is documented in forest and in Cerrado environments.

• Lesser Yellowlegs Tringa flavipes

  A shorebird with bright yellow legs and a thin bill. It breeds in northern North America and uses shallow wetlands during migration.

• Thomson's gazelle Eudorcas thomsonii

  An African grassland gazelle with a bold dark stripe along each side.

• Yellow-throated Whistler Pachycephala macrorhyncha

  This whistler lives in forest and wooded areas of the Moluccas. Males have yellowish underparts, and throat color varies among island populations.

• Oriental Serotine Eptesicus (Cnephaeus) pachyomus

  Its back is dark grayish brown to dark brown with pale hair tips, and its underside is lighter. Records include India, Nepal, and Bhutan; the species account also lists moist forest, dry dipterocarp forest, and human-modified habitats.

• Chalk-browed Mockingbird Mimus saturninus

  The Chalk-browed Mockingbird ranges across eastern and southern Brazil, eastern Bolivia, Paraguay, Uruguay, and northern Argentina. It has a grey body, pale eyebrow, and white tail tips, and forages on the ground or in low bushes.

• Campbell's Mona Monkey Cercopithecus campbelli

  This arboreal monkey lives in coastal West Africa. It forms groups, eats fruits and leaves, and uses calls to signal danger and other cues.

• Puff-throated Bulbul Alophoixus pallidus

  The Puff-throated Bulbul is a bulbul of the forest understory. Its rufous crest and conspicuous, puffy white throat stand out.

• Little Yellow-shouldered Bat Sturnira lilium

  A fruit-eating bat studied in Brazil’s montane Atlantic Forest. Its back fur ranges from dark gray to reddish brown, with a paler underside; a study in Brazil's montane Atlantic Forest found a fruit-only diet, mostly Solanaceae.

• Cut-throat Finch Amadina fasciata

  The Cut-throat Finch is a small finch occurring in separate areas along the Sahel and in southern Africa. It forages on the ground for seeds and termites. Males have a red throat band.

• Hog-nosed Shrew Rat Hyorhinomys stuempkei

  This rodent was recorded on a mountain in northern Sulawesi. Its nose ends in a flat pink pad with nostrils that face forward. In the 2015 description, all five known specimens were captured on the forest floor at night; stomachs of three contained earthworm remains and other prey.