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Pink robin
The pink robin (''Petroica rodinogaster'') is a small passerine bird native to southeastern Australia. Its natural habitats are temperate forests and subtropical or tropical moist lowland forests. Like many brightly coloured robins of the family Petroicidae, it is sexually dimorphic. Measuring 13.5 cm (5.3 in) in length, the robin has a small thin black bill, and dark brown eyes and legs. The male has a distinctive white crown and pink breast, grey-black upperparts, wings and tail. The belly is white. The female has grey-brown plumage. The position of the pink robin and its Australian relatives on the passerine family tree is unclear; the Petroicidae are not closely related to either the European or American robins but appear to be an early offshoot of the Passerida group of songbirds.
==Taxonomy==
Described by Belgian naturalist Pierre Auguste Joseph Drapiez in 1819, the pink robin is a member of the Australasian robin family Petroicidae, or Eopsaltridae. Sibley and Ahlquist's DNA-DNA hybridisation studies placed this group in a Corvida parvorder comprising many tropical and Australian passerines including pardalotes, fairy-wrens, honeyeaters and crows. However, subsequent molecular research (and current consensus) places the robins as a very early offshoot of the Passerida (or "advanced" songbirds) within the songbird lineage. Testing of the nuclear and mitochondrial DNA of Australian members of the genus ''Petroica'' suggests the pink and rose robins are each other's closest relative within the genus.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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