The black-chinned robin (''Poecilodryas brachyura'') is a species of

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

in the family

Petroicidae The bird family Petroicidae includes 51 species in 19 genera. All are endemic to Australasia: New Guinea, Australia, New Zealand and numerous Pacific Islands as far east as Samoa. For want of an accurate common name, the family is often called th ...

. It is found in northern

New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...

. Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

is subtropical or tropical moist lowland

forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...

s. Described by English naturalist,

Philip Sclater Philip Lutley Sclater (4 November 1829 – 27 June 1913) was an England, English lawyer and zoologist. In zoology, he was an expert ornithologist, and identified the main zoogeographic regions of the world. He was Secretary of the Zoological ...

, in 1874, the black-chinned robin is a member of the Australasian robin family

. Sibley and Ahlquist's DNA-DNA hybridisation studies placed this group in a Corvida

parvorder Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...

comprising many tropical and Australian passerines, including pardalotes, fairy-wrens,

honeyeaters The honeyeaters are a large and diverse family, Meliphagidae, of small to medium-sized birds. The family includes the Australian chats, myzomelas, friarbirds, wattlebirds, miners and melidectes. They are most common in Australia and New Guinea ...

, and crows. However, subsequent molecular research (and current consensus) places the robins as a very early offshoot of the

Passerida Passerida is, under the Sibley-Ahlquist taxonomy, one of two parvorders contained within the suborder Passeri (standard taxonomic practice would place them at the rank of infraorder). While more recent research suggests that its sister parvorder ...

(or "advanced" songbirds) within the

songbird A songbird is a bird belonging to the suborder Passeri of the perching birds (Passeriformes). Another name that is sometimes seen as the scientific or vernacular name is Oscines, from Latin ''oscen'', "songbird". The Passeriformes contains 500 ...

lineage. Measuring 14 to 15 cm (5.5–6 in), the black-chinned robin has a dark brown to black head and upperparts, with a prominent white stripe or "eyebrow" above the eye. The chin is black immediately under the bill. Its tail is markedly shorter than other Australasian robins. The throat and underparts are white, and there is a white bar on the otherwise dark-plumaged wing. The bill is black, the eyes are dark brown, and the legs pale brown or pink. Its song is a descending series of notes, which resembles that of the

fan-tailed cuckoo The fan-tailed cuckoo (''Cacomantis flabelliformis'') is a species of cuckoo in the family Cuculidae. It is found in Australia, Fiji, New Caledonia, New Zealand, New Guinea, Solomon Islands, and Vanuatu. Taxonomy Six subspecies have been recogni ...

. The black-chinned robin is found predominantly in the lowland forests of northwestern and central New Guinea (mainly in West Papua and only a little in Papua New Guinea's northwest) from sea level to 650 m (2000 ft). Within the rainforest it is found in pairs in the

understory In forestry and ecology, understory (American English), or understorey (Commonwealth English), also known as underbrush or undergrowth, includes plant life growing beneath the forest canopy without penetrating it to any great extent, but abov ...

or on the ground. It is insectivorous, and hunts by gleaning. It is a weak flyer.

References

{{Taxonbar, from=Q958493 black-chinned robin Birds of New Guinea black-chinned robin black-chinned robin Taxonomy articles created by Polbot