Meet the world’s animals.

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• Rock Ptarmigan Lagopus muta

  

  Rock Ptarmigan live in Arctic and alpine habitats and change plumage with the seasons. The population in Japan is the subspecies known as the Japanese Rock Ptarmigan.

• Cachar Bulbul Iole cacharensis

  A bulbul of northeastern India and southeastern Bangladesh. Its plumage is similar to a close relative, while its call offers an identification clue.

• White-capped Parrot Pionus seniloides

  It has a white forehead and a gray-scaled crown. A field survey recorded it in montane cloud forest in southern Ecuador.

• Ground Woodpecker Geocolaptes olivaceus

  This woodpecker forages on rocky hills and mountains, digging for ants. Males and females differ in their face markings.

• Spot-winged Pigeon Patagioenas maculosa

  The Spot-winged Pigeon is a medium-sized pigeon with pale spots across its wings.

• Golden-sided Euphonia Euphonia cayennensis

  This small euphonia is found in northern South America, using humid forest, forest edges, savanna and secondary growth. It is recorded as sedentary and commonly eats fruit.

• Purple-gaped Honeyeater Lichenostomus cratitius

  A honeyeater of mallee heath in southern Australia. It feeds mainly on nectar, but also takes insects.

• Cinereous Tyrant Knipolegus striaticeps

  The sexes have different plumage. Males have a dark crown and tail, while females have a chestnut head and gray back. A 2019 report describes it as locally common in Paraguay’s drier Chaco.

• Tickell's Blue Flycatcher Cyornis tickelliae

  A flycatcher with a blue back and reddish throat. It catches flying insects in undergrowth and also picks up termites and similar prey from the ground.

• Barking Boobook Ninox connivens

  This owl is active at night. Adults have a gray-brown back with white spots on the wings, and they hunt small to medium-sized animals.

• Sumatran Treepie Dendrocitta occipitalis

  The Sumatran Treepie lives in forests on Sumatra. A white nape and long tail make it distinctive, and it is usually seen in pairs or family groups.

• Souimanga Sunbird Cinnyris sovimanga

  A small sunbird found on Madagascar and nearby western Indian Ocean islands. Males are metallic green, while females are much duller brown and yellow.

• White-throated Sparrow Zonotrichia albicollis

  This migratory sparrow has both white-striped and tan-striped head patterns.

• Creamy-crested Spinetail Cranioleuca albicapilla

  The Creamy-crested Spinetail occurs in the inter-Andean valleys of central and southern Peru, where it is recorded in scrub and riparian forest.

• Brown Violet-ear Colibri delphinae

  This hummingbird has a brown body and iridescent blue-violet feathers near the ears. Trinidad holds an isolated population within the species' wider range.

• White-backed Thrush Turdus kessleri

  This thrush breeds in the eastern and northeastern Tibetan Plateau of China. Males show black and chestnut markings, and winter records in the Himalayas are vagrants.

• Natterer's Slaty Antshrike Thamnophilus stictocephalus

  Natterer's Slaty Antshrike occurs south of the Amazon and east of the Madeira. Males are grey and black, while females are brown; the species searches among foliage in forest for small invertebrates.

• Mandarin duck Aix galericulata

  A duck of wooded ponds and streams. Males in breeding plumage have ornamental feathers raised like sails above the back.

• Great Hanging Parrot Loriculus stigmatus

  The Great Hanging Parrot is a small parrot found mainly on Sulawesi in Indonesia. It is active by day and feeds on fruit and nectar.

• Gabon Coucal Centropus anselli

  This west-central African cuckoo has rufous wings and a pale rufous underside. It searches for food on the ground and in low bushes.

• Sunda Laughingthrush Garrulax palliatus

  This laughingthrush lives in moist forests on Sumatra and Borneo and is often seen in small groups.

• White-breasted Hawk Accipiter chionogaster

  The White-breasted Hawk occurs in forests from southern Mexico into northern Central America. This entry follows sources that treat A. chionogaster as a species, while the 2010 life-history paper says its taxonomic status was unresolved.

• Raimondi’s Yellow-Finch Sicalis raimondii

  Raimondi’s Yellow-Finch is endemic to the Peruvian coast, where it occurs in lomas vegetation. It is usually uncommon but may gather in large numbers where food is available.

• White-winged Apalis Apalis chariessa

  The White-winged Apalis is a small East African bird with black upperparts, yellow underparts and white wings. It searches for insects in the canopy and along forest edges.