Meet the world’s animals.

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• Small-eared Colilargo Oligoryzomys microtis

  

  This small rodent occurs in the Amazon Basin. Its upper fur is yellowish brown with fine black tips, its underside is white, and it is described as terrestrial in lowland rainforest edge habitat.

• Montezuma Quail Cyrtonyx montezumae

  The Montezuma Quail lives in grasslands and oak woodland in the Mexican highlands and the southwestern United States. It digs in the ground for underground foods and nuts.

• Rio Grande Ground Squirrel Ictidomys parvidens

  This ground squirrel occurs in southern and western Texas. Rows of square white spots mark its back, and its tail is bushy. It lives in grassland and brush and uses several burrows.

• Papuan White-eye Zosterops novaeguineae

  In nominate-race specimens, the upperparts are yellowish green, the breast and flanks pale gray, and the throat and undertail yellow. The species is recorded from lowland second growth and farmland to mountain forest on New Guinea.

• Atlantic Forest Nectomys Nectomys squamipes

  The 2015 species account records this rodent in eastern Brazil’s Atlantic Forest region and cites primary forest near streams as habitat.

• Crested Bunting Emberiza lathami

  This bunting has a conspicuous crest: males are dark, while females show brown streaking. The species ranges from northern India and the Himalayan foothills east through China to northern Indochina, and feeds on seeds.

• Mexican Prairie Dog Cynomys (Cynomys) mexicanus

  The Mexican prairie dog is a squirrel relative that burrows in dry grasslands of northern Mexico. It comes above ground by day and lives in social groups.

• Saunders's Tern Sternula saundersi

  Saunders’s Tern is a small seabird that breeds on African and Asian coasts and islands bordering the northern Indian Ocean. At the Farasan Islands, parents spent more time at the nest when temperatures moved away from the range suitable for the eggs.

• Lusitanian Pine Vole Microtus (Terricola) lusitanicus

  This small vole is native to the Iberian Peninsula and makes underground passages in moist grassland soil.

• Amazonian Antpitta Myrmothera berlepschi

  The Amazonian Antpitta is a lowland-forest bird. In the Peru account, olive upperparts contrast with rusty sides of the head, breast and flanks.

• Sri Lankan giant squirrel Ratufa macroura

  A large squirrel of southern India and Sri Lanka, with a grizzled tail marked by pale hairs. It spends almost all its time in trees.

• Coscoroba Swan Coscoroba coscoroba

  The Coscoroba Swan is a large white waterbird of South American wetlands and lakes.

• Transcaucasian Mole Vole Ellobius (Afganomys) lutescens

  A burrowing rodent recorded in eastern Turkey's semiarid areas, grasslands, and high-elevation cultivated fields. Field observations report family groups, complex tunnels, and a diet of vegetation.

• White-browed Meadowlark Leistes superciliaris

  This icterid lives in open grasslands of South America. The male is black with red patches and a white eyebrow, while the female is brown-toned and looks different.

• Père David's Rock Squirrel Sciurotamias (Sciurotamias) davidianus

  Père David's rock squirrel is a diurnal squirrel of rocky habitats in China. Pale eye-rings are distinctive, and it burrows under rocks and stores seeds.

• Golden Swallow Tachycineta euchrysea

  The Golden Swallow has bronzy to golden iridescence on its upperparts. This entry focuses on the Hispaniolan subspecies, which has been studied in the field and during breeding.

• Salt-marsh Harvest Mouse Reithrodontomys (Reithrodontomys) raviventris

  This mouse lives in saline and brackish wetlands around San Francisco Bay. Its back is dark brown, while reddish bellies vary by location.

• Stripe-throated Wren Cantorchilus leucopogon

  The Stripe-throated Wren has a striped throat and reddish-brown tail. The account distinguishes a darker Pacific form from a paler, greyer Caribbean form.

• Olympic Marmot Marmota (Petromarmota) olympus

  The Olympic marmot lives only in Olympic Mountain meadows. It eats flowering plants, stores fat and hibernates for a long period.

• Short-winged Cisticola Cisticola brachypterus

  It is a small cisticola of African savannas and grasslands. During breeding, males sing from exposed perches and also perform aerial courtship displays.

• Arizona Cotton Rat Sigmodon (Sigmodon) arizonae

  The Arizona cotton rat is a large rodent of the southwestern United States and northwestern Mexico. It has dark brown-black fur above and silver or white fur below.

• Splendid Sunbird Cinnyris coccinigastrus

  This sunbird lives in savanna and woodland in tropical West and Central Africa. Males show metallic green, blue, violet, and scarlet; females are mainly gray with yellow on the belly.

• 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.

• Bearded Barbet Lybius dubius

  This stocky bird with a large bill lives in tropical West Africa. It has black upperparts, a red throat and belly and a yellow eye patch. Figs are a favoured food, and several birds may roost together.