Gray-headed Robin
Heteromyias cinereifrons
Large, plump robin of montane rainforest. Both sexes olive brown above, with gray crown and breast, stark white throat, and white wing patch, prominent in flight. Upright stance, large size, intricate plumage, and pale pink legs distinctive. Usually feeds on or near the ground in rainforest of far northern Queensland.
识别特征
The grey-headed robin has, as its name suggests, a grey crown and lores, white throat and olive-brown ear coverts and upperparts, with a white patch on the wings. The underparts are pale, the breast is pale grey, and the belly white. The bill and eyes are dark brown.
分类信息
It is one of two species within the genus Heteromyias. Previously, it and the ashy robin from New Guinea were treated as one species and known as Heteromyias albispecularis. Described by Australian naturalist Edward Pierson Ramsay in 1876, the grey-headed robin is a member of the Australasian robin family Petroicidae. 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.
- 学名
- Heteromyias cinereifrons
- 命名信息
- (Ramsay, EP, 1876)
- 目
- Passeriformes
- 科
- Petroicidae
- 属
- Heteromyias
分布与栖息地
It is endemic to Queensland in Australia. The range in Australia is from Cardwell to the Bloomfield River in northeastern Queensland. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.
- 迁徙
- Resident species
行为
Breeding occurs from August or September to January, with one or two broods per season. The nest is a shallow cup made of bark, grass, and dry leaves. Spider webs are used for binding or filling, and strips of fern and palm for lining; the outside is decorated by dried vegetation. The nest is generally placed in a lawyer vine up to 10 m (30 ft) above the ground. A clutch of one or two eggs is laid. The eggs are buff, cream- or dark greenish-white, and marked with light brown splotches and spots, usually concentrated around the large end, and they measure 26 by 19 mm.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
MacGillivray's Prion
Pachyptila macgillivrayi
A pale powder-blue-and-white seabird with a faint grayish dark “M” across the upperwings. Note the dark blue “thumb mark” collar, the blue eye-stripe, the white eyebrow, the white throat, and the grayish cap. Restricted to two known breeding islands, Saint Paul in the South Indian Ocean, and Gough in the South Atlantic. Almost identical to Antarctic Prion, but bulkier and more heavy-chested, with a slightly wider bill. All but inseparable from Salvin’s Prion, with which it shares the breeding island of Gough, and with which it was once considered one species; MacGillivray’s is incrementally broader-billed, but birds seen at sea may not be identifiable.
Black-billed Mountain-Toucan
Andigena nigrirostris
Distinctive toucan of montane forests in the Andes from Venezuela to extreme northwest Peru. Easy to identify with black cap, dark bill, white throat, powder blue belly, and mostly brownish upperparts. Occurs from 1,500-2,500m, typically below the elevational range of Gray-breasted Mountain-Toucan but occasionally some overlap. Uncommon; usually found singly or in pairs in the forest canopy, often around fruiting trees.
Short-eared Owl
Asio flammeus
Medium-sized owl, more frequently seen in the daytime than other owls. Especially active around dawn and dusk, when it flies lazily over open fields or marshes in search of small mammals. Varies across a wide range, with Galapagos birds being the darkest. Brown overall, palest on belly, with streaks and spots on wings and chest. Large pale patch near the wingtips easily visible in flight. Rarely heard vocalizing away from breeding grounds, where it makes a low series of hoots and a variety of harsh barking noises.
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