Meet the world’s animals.

Photos: 12,673 · Stories: 19,540

• Small-toothed Harvest Mouse Reithrodontomys (Aporodon) microdon

  

  The small-toothed harvest mouse is a small rodent with reddish fur and a long tail. It is among the more arboreal members of its genus and inhabits cool, moist mountain forests.

• Papuan Pitta Erythropitta macklotii

  The Papuan Pitta inhabits forests on New Guinea and nearby islands. It has a red belly, rusty nape, black throat, and a blue breast band edged in black. In the 2024 eBird taxonomy, the former northern and southern pittas are treated as one species.

• Eastern Fox Squirrel Sciurus (Sciurus) niger

  A medium-sized North American tree squirrel, notable for its reddish-brown coat and red belly. It also occurs in open woodlands and urban areas.

• Cassin's Auklet Ptychoramphus aleuticus

  Cassin's Auklet is a small seabird that breeds on islands along the Pacific coast of North America. It dives for small crustaceans and nests in burrows.

• Tatra Pine Vole Microtus (Microtus) tatricus

  The Tatra pine vole is recorded in upper montane forest and alpine meadow in the Tatra Mountains. Its back is light reddish brown, and records include rocky debris near streams.

• Red-fan Parrot Deroptyus accipitrinus

  This green South American parrot can raise the feathers on the back of its head into a fan when scared or excited.

• Red-cheeked Rope Squirrel Funisciurus leucogenys

  The Red-cheeked Rope Squirrel lives in forests of West and Central Africa. It has a red back with mottling across the shoulders; belly and head colours vary among subspecies.

• Velvet-browed Brilliant Heliodoxa xanthogonys

  This hummingbird occurs in Venezuela, Guyana, and Brazil. The male has a glittering greenish-blue forehead and visits flowers for nectar.

• Slender Harvest Mouse Reithrodontomys (Aporodon) gracilis

  The Slender Harvest Mouse ranges from Mexico's Yucatán Peninsula to northwestern Costa Rica. It is often recorded in dry areas, while its species account also lists forests, wetland edges, and fields as habitats.

• Fine-barred Piculet Picumnus subtilis

  This small woodpecker is recorded in southeastern Peru and western Amazonia. A 2009 paper reported records in Acre, Brazil, and described foraging at the edge of terra firme forest with bamboo.

• Mentawai Squirrel Callosciurus melanogaster

  This dark squirrel is found only on the Mentawai Islands. It is active by day, mostly in trees, and eats fruit and young leaves.

• Opalton Grasswren Amytornis rowleyi

  The Opalton Grasswren is a grasswren studied around Opalton in central western Queensland. Survey sites include open woodland with spinifex ground cover.

• Yellow-nosed Cotton Rat Sigmodon (Sigmodon) ochrognathus

  The Yellow-nosed Cotton Rat uses high-elevation grasslands and rocky slopes, where it makes nests and burrows.

• Blue-grey Robin Peneothello cyanus

  A blue-grey robin of New Guinea's mountains, it searches for insects low in forest and secondary growth.

• Svynnerton's Bush Squirrel Paraxerus vexillarius

  Swynnerton's bush squirrel is recorded from mountains in Tanzania. Specimens from the West Usambara Mountains are noted for orange feet and a tail tip.

• Band-tailed Cacique Cacicus latirostris

  The Peru account places this bird in the lowlands of Loreto and central Ucayali, where it forms small groups and mixed flocks in the forest canopy. Its yellow tail has a black terminal band. The account also uses Ocyalus latirostris; this entry retains the pool name Cacicus latirostris.

• Tawny-bellied Cotton Rat Sigmodon (Sigmodon) fulviventer

  The tawny-bellied cotton rat is a cotton rat with a buff-brown underside and a black, hairy tail. It lives in tall grass with scattered shrubs.

• Eastern Striolated Puffbird Nystalus striolatus

  The Eastern Striolated-Puffbird may sit motionless for long periods in the canopy or at the edge of humid forest. Its pale eyes and white chin are distinctive.

• Unstriped ground squirrel Xerus (Xerus) rutilus

  A ground-dwelling squirrel without stripes, it lives in dry grasslands and scrub in East Africa. It forages by day and uses burrows for shelter.

• 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.

• Long-tailed Vole Microtus longicaudus

  The long-tailed vole ranges across western North America, extending into southwestern Canada and southeastern Alaska.

• Green Oriole Oriolus flavocinctus

  The Green Oriole has yellow-green plumage and reddish-brown eyes. It occurs across northern Australia, New Guinea, and nearby islands, and builds a cup-shaped nest high in the canopy.

• Spotted Ground Squirrel Xerospermophilus spilosoma

  The spotted ground squirrel is a ground-dwelling squirrel of dry and open habitats in Texas. It stays near its burrow and is active in early morning and late afternoon.

• Baikal Bush-warbler Locustella davidi

  The 2014 paper summarizes breeding from north-central China to Siberia and wintering in northern Southeast Asia. It also documents three records in Assam, India, in 2012–2013.