Meet the world’s animals.

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• Russet-backed Oropendola Psarocolius angustifrons

  

  This large bird forages in loose flocks in forests and agricultural land. Plumage and bill color differ between Peruvian lowland and Andean forms.

• Arcuate Horseshoe Bat Rhinolophus arcuatus

  The Arcuate Horseshoe Bat has slightly reddish-brown to dark-brown upperparts and buff to gray-brown underparts. In the Philippines it occurs in varied forests, from lowland to montane habitats.

• Wattled Brush-turkey Aepypodius arfakianus

  The Wattled Brush-turkey is a large megapode of New Guinea’s mountain forests. Its reddish-brown body bears a red comb and wattle, and it incubates eggs using heat from a mound of leaves and twigs.

• Northern Ghost Bat Diclidurus (Diclidurus) albus

  The northern ghost bat has white fur and pale pink wing membranes. It feeds on flying insects at night and ranges from Mexico into northeastern South America.

• Chestnut-bellied Sandgrouse Pterocles exustus

  The Chestnut-bellied Sandgrouse is a ground-dwelling bird of dry country. It eats seeds and flies daily to water, where large flocks gather; males and females differ in plumage.

• Brown Howler Monkey Alouatta guariba

  The brown howler is a large, tree-dwelling monkey with a grasping tail. It feeds on leaves, flowers and fruit, and makes loud calls like low grunts or barks.

• Cinnamon Quail-thrush Cinclosoma cinnamomeum

  This ground-dwelling bird of central Australia has different breast and wing patterns in males and females. Family groups hold territories in dry scrub and stony plains.

• Red-necked wallaby Notamacropus rufogriseus

  Recognized by reddish fur on the neck and shoulders, it rests under cover and grazes in nearby open areas.

• Buff-throated Partridge Tetraophasis szechenyii

  The Buff-throated Partridge is a high-mountain pheasant relative in which males and females have similar plumage. A study in western Sichuan found that its preferred woodland changed by season.

• Hispid Pocket Mouse Chaetodipus hispidus

  The hispid pocket mouse has an olive-buff back and a pale underside. It stores food in grassland burrows and mainly eats seeds.

• White-browed Piculet Sasia ochracea

  The White-browed Piculet is a small woodpecker with green upperparts, a rufous rump, and a white stripe behind the eye. It searches for ants and other small prey in low, dense vegetation near bamboo or water.

• Geoffroy's Tamarin Oedipomidas geoffroyi

  This small monkey occurs from Colombia's Pacific coast into Panama. It uses primary and secondary forest, including secondary growth with large trees, and can be found near cultivated areas.

• African penguin Spheniscus demersus

  A penguin of the South African and Namibian coasts that breeds in large colonies.

• Jameson's Red Rock Hare Pronolagus randensis

  A hare of rocky outcrops, with a white patch at the neck and a black tail tip. It rests among rocks by day and feeds on nearby grass at night.

• Blue-eared Lory Eos semilarvata

  This parrot occurs in the montane forests of Seram, Indonesia. Its dark-red body contrasts with purplish-blue cheeks and ear-coverts and black streaks on the wings. Flowers are part of its diet.

• 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.

• Writhed Hornbill Rhabdotorrhinus leucocephalus

  The Writhed Hornbill is a Philippine hornbill whose males and females differ in head and neck color. It feeds on fruit high in the canopy of lowland forest.

• Northern Amazon Red Squirrel Sciurus (Urosciurus) igniventris

  The northern Amazon red squirrel is a large tree squirrel of northwestern Amazonia. It can be difficult to distinguish from the southern Amazon red squirrel in the field, and one feeding study analyzed the two together.

• Pigeon Guillemot Cepphus columba

  In breeding plumage, the Pigeon Guillemot is black with white wing patches and bright red feet. It dives for food near rocky shores.

• Tucuxi Sotalia fluviatilis

  The tucuxi is a freshwater dolphin of the Amazon basin, separate from the marine Guiana dolphin.

• Helmeted Pygmy Tyrant Lophotriccus galeatus

  This small flycatcher has a black crest and yellowish olive upperparts. It forages in the understory of forests on nutrient-poor soils.

• Gobi Jerboa Allactaga (Orientallactaga) bullata

  This jerboa ranges across northern China and Mongolia. It lives in open sandy desert, uses burrows alone, and has a tail tuft with white and black markings.

• Marquesan Reed Warbler Acrocephalus mendanae

  This reed warbler lives in the Marquesas Islands. It has an olive-yellow back and yellow underside and uses gardens and scrub as well as woodland.

• Highlands Punaré Thrichomys inermis

  This spiny rat is recorded from Bahia north to Tocantins in Brazil. In the semiarid Caatinga, it uses rock crevices as shelter and nesting places.