Meet the world’s animals.

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• Grey-capped Social Weaver Pseudonigrita arnaudi

  

  An adult of the nominate subspecies has a pale gray crown and sandy body, with a white eye-ring and black bill.

• Speckled Chachalaca Ortalis guttata

  The Speckled Chachalaca has reddish-brown plumage with pale spots on the front of its neck and chest. It eats fruit and uses both trees and the ground.

• Petit's Cuckooshrike Campephaga petiti

  This cuckooshrike inhabits forests, woodland, forest edges, and mangroves in western and eastern Africa. Males are black with a large yellow gape; females are barred yellow and black. The species account classifies its feeding niche as arboreal invertebrate gleaning.

• Boat-billed Heron Cochlearius cochlearius

  Its broad, flattened bill is distinctive. In mangroves and river-edge woodland of Central and South America, it ambushes fish and other prey at dim hours.

• Spotted Ground Thrush Geokichla guttata

  The South African race has large black spots across its white underside and searches among forest leaf litter for food.

• 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.

• 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.

• Long-tailed Tapaculo Scytalopus micropterus

  The Long-tailed Tapaculo is a small ground-dwelling bird recorded on the eastern Andean slopes of Colombia, Ecuador and Peru. It lives in bamboo understory.

• Black Antshrike Thamnophilus nigriceps

  The Black Antshrike occurs in eastern Panama and northern Colombia. The AOS checklist places it at lowland evergreen-forest edges and in secondary forest from 0–600 m; a species account lists its length as 16 cm.

• Spot-flanked Barbet Tricholaema lacrymosa

  This African barbet is marked by a yellow eye and spotted flanks. In damp highland woodland of eastern Africa, it feeds on figs, berries, and insects.

• Puna Plover Charadrius alticola

  This small plover lives by high-Andean rivers and lakes. Its head and neck colors change between breeding and winter plumage.

• Common Newtonia Newtonia brunneicauda

  The Common Newtonia is endemic to Madagascar. It has grey-brown upperparts and pale underparts, and searches forests for small invertebrates.

• Varied Bunting Passerina versicolor

  The Varied Bunting lives mainly in Mexico, in scrub and streamside thickets. Males are reddish violet, while females and young birds are brown; it searches low in dense vegetation for insects.

• Chestnut-headed Sparrow-Lark Eremopterix signatus

  The male Chestnut-headed Sparrow-Lark is recognizable by its chestnut-colored head. By day, it feeds on seeds on the ground in dry grassland and acacia scrub.

• Asian Red-eyed Bulbul Pycnonotus brunneus

  This bulbul lives in forests, at their edges, and in secondary growth. Adults are especially noticeable for their red eyes.

• Paddyfield Warbler Acrocephalus agricola

  A relatively long, rounded tail and broad pale eyebrow distinguish the Paddyfield Warbler. It eats insects in reeds by lakes and rivers, breeding from Romania to Mongolia and wintering from Iran to China.

• White-eyed Starling Aplonis brunneicapillus

  This starling has been observed on Guadalcanal in the Solomon Islands. Its white iris and long central tail streamers are notable features. A 2013 report recorded a flock on a forested ridge above a stream and a nest in epiphytic ferns in an emergent tree crown.

• Dwarf Vireo Vireo nelsoni

  The Dwarf Vireo is endemic to Mexico's highlands, from Guanajuato south to northern Oaxaca.

• Indian Pitta Pitta brachyura

  The Indian Pitta is a colorful ground-dwelling bird of scrub and forest in the Indian subcontinent. It moves between regions seasonally.

• Imperial Amazon Amazona imperialis

  The Imperial Amazon is endemic to Dominica, with a green body, red eyes and violet underparts.

• Talamanca Hummingbird Eugenes spectabilis

  It is recorded in high-elevation oak forest in Costa Rica. An older description says the male has a brilliant violet crown and a metallic green throat.

• Ochre-collared Piculet Picumnus temminckii

  This small woodpecker ranges from southeastern Brazil south into Argentina. It occurs at forest edges and in secondary forest, as well as in urban parks and gardens, and mainly eats ant larvae and pupae.

• Cuban Oriole Icterus melanopsis

  It is endemic to Cuba and Isla de Pinos. It lives in forests, plantations, and human-settled places; adult males and females are alike, with black plumage and yellow patches.

• Plain-tailed Nighthawk Nyctiprogne vielliardi

  This nighthawk has been recorded along the São Francisco River. It roosts by day in riverside brush and flies low over water near dusk.