Gray-throated Chat
Granatellus sallaei
Easily overlooked, warbler-like bird of lowland tropical forest. Hops around, mainly at low levels in tangled understory, often fanning its rather long, white-tipped tail. Male is striking, with red breast, gray head, and white eyebrow, but female-plumaged birds are seen more often and can be puzzling. Note the buffy face and breast with a dark beady eye, mostly grayish upperparts, and distinctive tail.
识别特征
The grey-throated chat is approximately 13 cm (5.1 in) long and weighs 8.8 to 11 g (0.31 to 0.39 oz). The adult nominate male's head, back, wings, and tail are gray but for a white supercilium behind the eye. The breast and vent area are rose-red, the flanks are gray, and the rest of the underparts are white. The female's crown, nape, and upperparts are a duller gray than the male's. Its supercillium, face, breast, flanks, and vent area are buff; the throat and belly are white. The adult male G. s. boucardi is slightly paler gray than the nominate. The female is brownish gray above and a creamier buff on the face and underparts.
分类信息
The genus Granatellus was traditionally placed in family Parulidae, the New World warblers. Studies of DNA sequences in the early 2000s resulted in its being moved to its present family. The grey-throated chat and the other two members of its genus, red-breasted chat (G. venustus) and rose-breasted chat (G. pelzelni) form a superspecies.<p>The grey-throated chat has two subspecies, the nominate Granatellus sallaei sallaei and G. s. boucardi.
- 学名
- Granatellus sallaei
- 命名信息
- (Bonaparte, 1856)
- 目
- Passeriformes
- 科
- Cardinalidae
- 属
- Granatellus
分布与栖息地
The nominate grey-throated chat is found in southern Veracruz, most of Tabasco, eastern Oaxaca, and northern Chiapas. G. s. boucardi occurs from the Yucatán Peninsula south to central Guatemala and Belize. The species is a bird of the lowlands. It inhabits dry to semi-humid forest, its edges, and adjacent dense scrub. It also occurs in thickets within evergreen forest but shuns humid forest.
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: declining.
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Sunda Cuckooshrike
Coracina larvata
Chunky, dark gray bird with a dark face. Dark face patch is more extensive on males than females; males on Sumatra have entirely black heads. Inhabits moist foothill and montane forest. Moves through the upper levels of forest, often with other species in mixed flocks. Gives various high squeaky calls, including an inflected “weee-tee!”.
Slender-billed Tyrannulet
Inezia tenuirostris
Very active, a small, greenish-brown flycatcher with yellowish underparts. Shows a short bill with orange base, faint whitish eyebrow, and contrasting white wing bars. Sexes similar. Common, often alone or in pairs foraging; territorial, found in dry areas with scrub and small trees or mangrove border. Song is a fast trill “tr’r’r’R’R’R’R’r’r’r’r.” Similar to Southern Beardless-Tyrannulet, which shows more of a crest, less contrasting wing bars, and heavier and more curved bill. Found in northeastern Colombia and northwestern Venezuela.
Black-tailed Gnatcatcher
Polioptila melanura
Tiny gray insectivore of scrubby areas in the southwest U.S. and northern Mexico. Breeding males show a black cap with a thin white eyering; nonbreeding males have a thin black line over the eye. Females lack any black on the head. Note tail pattern from below: mostly black with bold white spots. Prefers dry, scrubby habitats such as desert washes, where pairs flit around in the low bushes. Listen for harsh scolding calls. Compare with Blue-gray Gnatcatcher, but note Black-tailed often looks drabber brownish-gray, and has much more black on the underside of the tail.
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