Chestnut-crowned Babbler
Pomatostomus ruficeps
Large, conspicuous songbird with long decurved bill, gray mask, whitish eyebrow, chestnut crown, pale wingbars, and dark eye. White throat and breast with black border extends to upper belly; lower belly and undertail dark. Forages mostly on the ground in noisy flocks, in dry open woodlands of southeastern Australia.
识别特征
Chestnut-crowned babblers are dark, brown-grey birds with a white throat and breast, white-tipped tail and a long, black, down-curved bill. Wings are short and rounded and the tail is long with a rounded tip. Diagnostic features include two white wing bars and a rich, chestnut crown highlighted by long, white eyebrows. The birds have dark brown eyes and grey legs, while the wings, back and flanks are brown-grey to mottled dusky on the mantle. The white of the throat and breast is well-defined and narrower than that of the similar, white-browed babbler (Pomatostomus superciliosus). Combined, these characteristics give the chestnut-crowned babbler a rather unusual appearance.<p>At 21–23 cm and approximately 50 g in weight, the chestnut-crowned babbler is noticeably smaller than the grey-crowned babbler (Pomatostomus temporalis). It also gives the appearance of being slimmer than other babbler species. Adults are sexually monomorphic. Immature birds are like the adults but duller, with a pale rufous eyebrow and chest, brown crown and whitish patch behind the eye.
分类信息
- 学名
- Pomatostomus ruficeps
- 命名信息
- (Hartlaub, 1852)
- 目
- Passeriformes
- 科
- Pomatostomidae
- 属
- Pomatostomus
分布与栖息地
Chestnut-crowned babblers are found in inland areas of south-eastern Australia, including parts of western New South Wales, south-western Queensland, eastern South Australia and north-western Victoria. Its distribution lies within the south-eastern Lake Eyre Basin and the western Murray-Darling Basin.<p>The species commonly inhabits mallee, mulga and belar woodlands that are drier and more open than those occupied by the white-browed babbler and Hall's babbler (Pomatostomus halli). Other habitats include acacia and cypress pine scrubs and woodlands, stony ground and sandhills, and lignum, saltbush and samphire.<p>Chestnut-crowned babblers are most readily sighted at Eulo Bore, Bowra Station and in Hattah-Kulkyne National Park, as well as along many outback roads including those between Quilpie and Windorah, and Bourke and Nyngan.
- 迁徙
- Resident species
行为
Babblers are renowned for their cheerful, energetic, social behaviour. During the non-breeding season (December - June), chestnut-crowned babblers form cohesive social groups of 3 to 23 individuals that maintain a territory, roost and forage together. Dust-bathing and preening may also be undertaken as a group. At night, they crowd together in a communal roosting nest, built by the group in dead or partly living trees. These dormitory nests may also be disused breeding nests to which the group continues to add material.<p>If disturbed, individuals hop away behind cover, departing in long, low glides. When alarmed, they may huddle together under dense foliage or dash up the under-canopy of trees and shrubs, chattering noisily. They are playful and have been known to wear trenches in the ground from chasing each other around; however, they are shyer than other babbler species.
保护状况
Internationally, the chestnut-crowned babbler is listed as least concern on the IUCN Red List. It is not listed as threatened under Australia's national Environment Protection and Biodiversity Conservation Act 1999 or under Queensland, New South Wales, Victorian or South Australian legislation. Little is known about its movements but the species is thought to be sedentary and it is scarce to locally common.
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Black-headed Antbird
Percnostola rufifrons
Medium-sized, stocky bird of forest understory. Shows substantial geographic variation in plumage, but males are always black and dark gray, females rufous and gray-brown. Both sexes show thin wingbars: white in males, rufous-buff in females. Eastern populations (Guianas and NE Brazil) have striking red eyes; those of more western subspecies are gray. Found in tall rainforest and in lower-stature forests on sandy soils, usually in pairs or small groups that often follow army ants but are just as likely to be seen away from them, searching deliberately for insects in low vegetation. Not especially shy but often assesses observers warily from dense cover, pumping tail and giving low churring calls similar to other antbirds. Song is a series of clear, whistled notes on one pitch, with some geographic variation in pace; most common call is a sharp bark, similar to call of Black-faced Antthrush. In dim forest light, male may be confused with Spot-winged Antbird; Black-headed is best distinguished by wing bars (not spots), stockier profile, and vocalizations.
Stripe-faced Wood-Quail
Odontophorus balliviani
Chunky, dark brown quail of cloud forest and elfin forest. Dark brown body is spotted white below; black bandit mask and reddish crown are distinctive. May be found singly, in pairs, or in small groups. Quite secretive, and often goes undetected until flushed suddenly from nearly underfoot. Forages on the ground, climbing over mossy tree roots and scraping aside leaves with its feet to look for small prey. Listen for its low caroling song given at dusk, an often duetted “dwee-put, dwee-put….”
Gorgeted Sunangel
Heliangelus strophianus
Unmistakable; glittering pinkish-purple throat is distinctive in good light, but also note the snowy white chest band, which is always obvious. Medium-sized with a rather short, straight bill. Like other sunangels, holds wings out for a few seconds after it lands. Based on plumage, could be confused with Purple-throated Woodstar, but the sunangel is larger with a much different flight style. The only sunangel within limited range on the west slope of Andes; occurs mostly in Ecuador, but barely extends into Colombia. Occurs in a rather narrow elevational band in the upper subtropical zone from around 1,700 to 2,300 m. Can be seen at all levels in the cloud forest, edges, and gardens, but most frequently at middle heights within the forest. Visits feeders.
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