Rufous-faced Crake

Rufirallus xenopterus

Very secretive crake with a relatively long tail and a stout bill. Note the rufous neck and crown that contrast with a black back, the thinly barred black-and-white sides, and the white belly. Inhabits shallow flooded marshes with tussocky or matted grasses. Compare with Red-and-White Crake, which lacks barred wings and has a white (not black) vent, a yellowish (not gray) bill, and gray (not red) legs. Song is a long descending trill.

识别特征

The rufous-faced crake is about 14 cm (5.5 in) long and weighs about 52 g (1.8 oz). The sexes are alike. They have a blue-gray bill, legs, and feet. They have a rufous face, hindneck, and upper back; a white throat and belly; and a buffy ochraceous foreneck and breast. Their upperwing coverts, secondaries, and scapulars have black and white bars as do their flanks. Their tail and undertail coverts are black.

分类信息

The rufous-faced crake is monotypic.

学名
Rufirallus xenopterus
命名信息
Conover, 1934
Gruiformes
Rallidae
Rufirallus

分布与栖息地

The rufous-faced crake is found in northeastern Bolivia's Beni Department, in several states in south-central Brazil, and in central Paraguay. It is known from perhaps a dozen widely scattered locations in those areas but "given the suitable habitat in intervening areas and elsewhere[...]the species may be more widespread and less local than suspected." It inhabits marshes, especially the zones of moist to shallowly flooded tussocky or matted grass.

迁徙
Resident species

行为

No movements are known for the rufuous-faced crake.<p>The rufous-faced crake's foraging techniques and diet have not been documented.<p>Nothing is known about the rufous-faced crake's breeding biology.<p>The rufous-faced crake's song is "a drawn-out, slightly descending trill". It also makes "[s]oft call notes "piú piú'".

保护状况

种群趋势
declining

照片

分布

鸟叫声

其他鸟类

Red-headed Bluebill

Red-headed Bluebill

Spermophaga ruficapilla

Pretty member of the waxbill family that has a massive, conical bill. Males have a black belly and females a spotted one, and both sexes show an all-red head. Found in rainforest, gallery forest, thickets, and secondary habitats. Usually in pairs or small groups, in areas with thick undergrowth, and usually some grass. Sometimes on roads and paths. Vocalizations include a quiet “schpit” call and a rarely-heard whistled song. Similar to Grant’s Bluebill, but separated by all-red head. Male similar to male Black-bellied Seedcracker, but separated by its black tail and its red-and-blue rather than all-blue bill.

Wedge-billed Woodcreeper

Wedge-billed Woodcreeper

Glyphorynchus spirurus

Very small woodcreeper of evergreen forest in humid tropical lowlands and foothills. Creeps up trunks, often in spirals, picking at the bark for food, then flies low to another tree before hitching upwards again. Forages on fairly large trunks as well as slender trees. Often travels with mixed-species feeding flocks. Note the short, wedge-shaped bill and pale buffy breast spotting.

Elegant Sunbird

Elegant Sunbird

Aethopyga duyvenbodei

Spectacular male shows diagnostic maroon sides to head and collar, iridescent metallic blue-green forehead and crown, blue shoulder, moss-green back, and yellow rump. Underside is uniform bright yellow in both sexes, although female is entirely olive above. Juvenile resembles female but with pale legs. Singles and pairs inhabit forest, shrubbery, and plantations in lowlands and lower hills, often joining mixed-species flocks. Female can be separated from female Black and Brown-throated Sunbirds by bright yellow underparts and lack of yellow eyebrow. Gives high-pitched “tzeeet” calls. Song is an undulating trill.

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