Meet the world’s animals.

Photos: 12,636 · Stories: 19,540

• Fox's Weaver Ploceus spekeoides

  

  This weaver has been recorded in northeastern Uganda. Males show a black facial mask and yellow rump, and records link the bird with Whistling-thorn Acacia grasslands.

• Achallo Chinchillula sahamae

  Chinchillula sahamae is a medium-sized rodent of the high Andes. It is known for its black, white, and brown pattern and for a report of nesting with its own hair among rocks.

• Ruby-cheeked Sunbird Chalcoparia singalensis

  The Ruby-cheeked Sunbird has different male and female plumage. It forages high in trees, taking nectar from flowers and sometimes insects from spider webs.

• Caucasian Mountain Ground Squirrel Spermophilus musicus

  The Caucasian mountain ground squirrel lives in high meadows and mountain steppe of the central Caucasus and spends winter in burrows.

• Rufous-cheeked Laughingthrush Garrulax castanotis

  The Rufous-cheeked Laughingthrush occurs on Hainan in China, in northern Vietnam, and in eastern Laos. Some older treatments grouped it with the Grey Laughingthrush; this account follows the current treatment of Garrulax castanotis as a separate species.

• Black-eared Deermouse Peromyscus melanotis

  The Black-eared Deermouse is a small mouse found mainly in Mexico's highlands, with records in the higher elevations of southern Arizona. It emerges from burrows at night and feeds mostly on seeds and insects.

• Smew Mergellus albellus

  A small diving duck. Males are black and white, while females have red-brown heads; some birds visit Britain in autumn and winter.

• Cliff Chipmunk Tamias (Neotamias) dorsalis

  Neotamias dorsalis ranges across the western and southwestern United States and northwestern Mexico. Its smoky-grey back has dark stripes, and the underside is creamy white.

• Kalkadoon Grasswren Amytornis ballarae

  This grasswren lives on rocky hills near Mount Isa, moving on the ground through spinifex clumps. Its range and biology remain incompletely studied.

• Western Amazonian Nectomys Nectomys apicalis

  Nectomys apicalis is a rodent of the western Amazon. A study recorded it in mature forest close to streams at Peru's Allpahuayo-Mishana National Reserve. The paper also reports the western Amazon form from eastern Ecuador, Peru, and Brazil's Juruá region.

• Friendly Fantail Rhipidura albolimbata

  The Friendly Fantail is a fantail widespread in the mountains of New Guinea. The Mimika bird guide reports it as widespread in that region’s mountains.

• 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.

• Bannerman's Turaco Tauraco bannermani

  Bannerman's Turaco lives in montane forest in western Cameroon. It has a red crest and blue tail and feeds on fruit in the canopy.

• Utiariti Colilargo Oligoryzomys utiaritensis

  This small rodent is recorded from Brazil’s Cerrado–Amazon transition. It has also been captured in secondary forest and plantations near farmland.

• Red-tailed Vanga Calicalicus madagascariensis

  The Red-tailed Vanga is about 13–14 cm long. By day it uses forest, second growth, and brushland in Madagascar and eats invertebrates.

• Vancouver Island Marmot Marmota (Petromarmota) vancouverensis

  The Vancouver Island marmot lives in mountain meadows on Canada's Vancouver Island. It has brown fur with white patches and hibernates underground.

• Black-tipped Cotinga Carpodectes hopkei

  The Black-tipped Cotinga occurs from southeastern Panama through western Colombia to northwestern Ecuador, mainly in humid forest canopy. Males are almost white and females mostly gray above. It eats fruit, but details are sparse and seasonal movement is only suspected.

• 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.

• Pale Martin Riparia diluta

  This small swallow flies over open country near rivers and other water. Its pale breast band and shallowly forked tail help identify it.

• Least Chipmunk Tamias (Neotamias) minimus

  This small chipmunk lives in North America. It has a striped face, an orangish-brown back, and a grayish-white underside. It often uses forest edges and openings.

• Red-winged Blackbird Agelaius phoeniceus

  Red-winged Blackbirds differ greatly in plumage between the sexes. They nest in wetlands during breeding; the North American account describes a diet of mainly insects in summer and seeds in fall and winter.

• Amazonian Marsh Rat Holochilus sciureus

  The Amazonian Marsh Rat uses waterside habitats and wet grasslands. Coat color and reported range vary, and the older broad species account includes records that its authors considered uncertain.

• Buff-crested Bustard Lophotis gindiana

  The Buff-crested Bustard lives in dry scrub and open woodland. Males have a reddish buff crest and a black throat stripe.

• Junín Red Squirrel Sciurus (Hadrosciurus) pyrrhinus

  The Junín red squirrel is an arboreal squirrel recorded in Peru. Its back is reddish brown, while the underside ranges from white to more reddish shades.