Meet the world’s animals.

Photos: 12,813 · Stories: 19,540

• White-winged Nightjar Eleothreptus candicans

  

  This nightjar lives in open grasslands from central Brazil to Paraguay. In breeding season males make short display flights with wing sounds; Bolivia has only a few September records from seasonally flooded savanna.

• Red slender loris Loris tardigradus

  The red slender loris is a small primate endemic to Sri Lanka. A 2017 study places the species across the island's wet zone and montane areas.

• Violet Wood Hoopoe Phoeniculus damarensis

  This bird searches trees along dry rivers for insects and small geckos. A Namibian subspecies has coppery and violet iridescence on its mantle feathers.

• Blue-eyed Black Lemur Eulemur flavifrons

  Blue-eyed black lemurs show a strong difference in coat color between the sexes: males are black and females range from reddish brown to orange. In the dry season, they eat leaves and flowers as fruit becomes scarce.

• Red-stained Woodpecker Veniliornis affinis

  This woodpecker inhabits forests of the Amazon Basin. Males have red on the head, females lack red on the head, and both sexes have red wing spots.

• Red River Hog Potamochoerus porcus

  A wild pig of western and central African forests, savannas and wetlands that becomes active after dusk.

• Dwarf Cassowary Casuarius bennetti

  The Dwarf Cassowary is a flightless bird of New Guinea. In a field study in Papua New Guinea’s mountains, fruit made up most of its diet throughout the year.

• American Marten Martes americana

  A member of the weasel family found in forests of Alaska, Canada and the northern United States.

• Flamecrest Regulus goodfellowi

  The Flamecrest is endemic to Taiwan's mountains, where it searches conifer foliage for small insects.

• Formosan Horseshoe Bat Rhinolophus monoceros

  The Formosan horseshoe bat is a small species endemic to Taiwan. Its pale brown coat and three-part noseleaf are distinctive, and it roosts in groups in caves and tunnels.

• Sikkim Treecreeper Certhia discolor

  The Sikkim Treecreeper is marked by pale spots on its brown back and an orange-brown rump. In China, it occurs in southern Tibet and breeds in subtropical forests.

• Black-tailed Marmoset Mico melanurus

  The black-tailed marmoset is a small monkey with a conspicuously dark tail. It eats tree gum and fruit and lives in forests of west-central Brazil and eastern Bolivia.

• Forest Fody Foudia omissa

  This small bird is endemic to Madagascar. The breeding-plumage male has red on the head, throat, upper breast, and rump, with dark streaks on the olive-brown back. Females and males outside the breeding season are described separately, with olive-brown upperparts and a pale buff belly. It searches trees and shrubs for seeds, fruit, and insects.

• Red Silky Anteater Cyclopes rufus

  This red silky anteater is one of the distinct silky anteater species recognized in modern taxonomic work. The specialist account confirms records in Brazil's western Amazon and says the southern range limit is unknown.

• Black-bellied Sandgrouse Pterocles orientalis

  This sandgrouse feeds on seeds in dry, open country. The black belly belongs to the male; females have fine barred and speckled plumage.

• Greater Northern Free-tailed Bat Chaerephon jobensis

  This large free-tailed bat is recorded in tropical Australia. It has large joined ears and a wrinkled face. Its back is dark and its underside is paler.

• Iriomote Tit Sittiparus olivaceus

  The Iriomote Tit occurs on Iriomote and Ishigaki islands in Japan's Yaeyama Islands. The sexes have similar plumage: a black head and throat, chestnut forehead, cheeks and nape, reddish-brown breast and belly, and olive flanks. It lives in evergreen broadleaf forest.

• Cuvier's gazelle Gazella cuvieri

  Cuvier's gazelle is a North African gazelle found in Morocco, Algeria and Tunisia.

• Plain-capped Starthroat Heliomaster constantii

  A large hummingbird recorded in Costa Rica’s northern Pacific region. Males have a red-orange iridescent gorget and a white stripe along the middle of the rump.

• Banggai Cuscus Phalanger pelengensis

  The Banggai cuscus is a marsupial of the Banggai Islands, with an orange-brown back and a yellowish belly. Its behavior is described here at the genus level where the source groups two species together.

• Blue-rumped Manakin Lepidothrix isidorei

  This manakin lives in montane forest on Peru’s eastern Andean slope. The male’s rump color differs between subspecies, while the female is mainly green.

• Blanford's Bat Hesperoptenus (Milithronycteris) blanfordi

  Blanford's bat is a medium-sized forest bat from South and Southeast Asia, including Borneo. It roosts in hollow trees or foliage and hunts flying insects at night.

• Buff-breasted Wren Cantorchilus leucotis

  It lives in secondary lowland forest along rivers from central Panama through northern South America. Pairs sing duets, and the birds search the understory for terrestrial invertebrates.

• Darwin's Fox Lycalopex fulvipes

  Darwin's fox is a small fox of southern Chilean forests. Its dark coat and reddish backs of the ears are distinctive; separate populations occur on Chiloé Island and the mainland.