Black-throated Robin
Plesiodryas albonotata
A medium-sized bird of montane forest midstory. Medium gray upperparts, black face and bib with indistinct, white, horizontal crescent moon below the cheek. Belly is also gray in central areas, and white on Bird’s Head and southeastern New Guinea. Juvenile is a distinctive rufous color and immatures, blotchy. Sits still in the midstory, slowly wagging its tail. Co-occurs with the similar-colored Blue-gray Robin, but is larger with a black throat. Black-bellied Cicadabird is also a similar color-scheme but much larger. Voice, a high-pitch whistle. Either a single note or identical notes given in a slurred series.
识别特征
Measuring 18 to 19 cm (7.1 to 7.5 in), the black-throated robin has a grey-black face, throat and upper breast with a grey crown and nape, and a white diagonal mark on the neck. The upperparts are blue-grey, and the underparts grey to white over the abdomen and under the tail coverts. The bill and legs are black, and the eyes are dark brown. The plumage is reminiscent of a cuckoo-shrike, but the white neck marking is diagnostic.<p>The black-throated robin is found predominantly in rainforests along the central highlands of New Guinea, from the Bird's Head Peninsula in the west to the Huon Peninsula in the east, at altitudes from 1,800 to 2,750 m (5,900 to 9,000 ft). Within the rainforest, it is found singly in the understory or on the ground. It is insectivorous, and hunts by gleaning.
分类信息
The black-throated robin was described by the Italian zoologist, Tommaso Salvadori, in 1875, from a specimen collected in the Arfak Mountains on the island of New Guinea. He coined the binomial name Megalestes albonotatus. It was moved to the genus Poecilodryas by the English zoologist, Richard Bowdler Sharpe, in 1879. A 2011 molecular phylogenetic study found that the black-throated robin was the most divergent member of Poecilodryas. The species is now the only species placed in the resurrected genus Plesiodryas that had been introduced by the Australian ornithologist, Gregory Mathews, in 1820.
- 学名
- Plesiodryas albonotata
- 命名信息
- (Salvadori, 1875)
- 目
- Passeriformes
- 科
- Petroicidae
- 属
- Plesiodryas
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- stable
照片
分布
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