Golden-crowned Warbler

Basileuterus culicivorus

Small, rather active warbler of tropical evergreen and semi-deciduous forest in foothills and lowlands. Often in pairs at low to middle levels in shady forests with fairly open understory. Regularly seen with mixed-species feeding flocks. Like other tropical warblers, sexes look alike: overall grayish above and yellowish below with weak blackish head stripes that border a dull and easily overlooked golden or dull orangish central crown stripe.

识别特征

The golden-crowned warbler is 12.7 cm (5.0 in) long and weighs 10 g (0.35 oz). It has grey-green upperparts and bright yellow underparts. The head is grey with a black-bordered yellow crown stripe, a yellow or white supercilium and a black eyestripe. Sexes are similar, but the immature golden-crowned warbler is duller, browner and lacks the head pattern other than the eyestripe.

分类信息

Golden-crowned warbler has 13 geographical races, which fall into three groups. The Central American culicivorus group (known as the stripe-crowned warbler) is essentially as described above, the southwestern cabanisi group (known as Cabanis's warbler) has grey upperparts and a white supercilium, and the aureocapillus group (known as the golden-crowned warbler) of the southeast, which has a white supercilium and orange-rufous crown stripe. The three groups are sometimes considered to be different species.

学名
Basileuterus culicivorus
命名信息
(Deppe, 1830)
Passeriformes
Parulidae
Basileuterus

分布与栖息地

It breeds from Mexico and south through Central America to northeastern Argentina and Uruguay, and on Trinidad. It is mainly a species of lowland forests.

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

Sumba Eclectus

Sumba Eclectus

Eclectus cornelia

Robust, big-headed, and rather short-tailed parrot endemic to Sumba, where it inhabits remnant lowland and foothill forests. Male bright green with red underwings and orange bill, female bright red with dark bill. Usually seen flying above forests at first light, squawking loudly. Calls include an ear-shattering, high-pitched squawk, as well as a lower, rasping caw. Formerly grouped with other closely related species under “Eclectus Parrot.”

House Bunting

House Bunting

Emberiza sahari

Similar and closely related to Striolated Bunting, but separated by range. House Bunting also has deeper rusty underparts and wings, a less striking head pattern, and an unstreaked back compared to Striolated Bunting. Male's grey head and breast contrast sharply with its rusty belly. Found near humans, in settlements, plantations, and gardens; often very tame. Song consists of short, buzzy phrases. Call is a simple “dzwii”, somewhat sparrow-like.

Spot-throat

Spot-throat

Modulatrix stictigula

Supreme understory skulker in montane forest, resembling a hybrid between a thrush and babbler. A dull but distinctive-looking bird if seen well, with brown-olive upperparts and rusty underparts, a bold dull blue-gray eye-ring and black-speckled tawny throat. The bill is dark on top and pale underneath. Immature is paler, lacking the spotted throat. Singles or pairs are highly localized residents flicking through leaf litter or following ants in undergrowth of Eastern Arc montane forest, between 900–2700m; shy and hops or runs quickly across the forest-floor, seldom permitting absorbing looks. Thrush-like song is a varied but distinctive shrill series of whistles and slurs. Calls include a single upslurred sweet “seeuuuiit”, and a scratchy “werrrt” in alarm.

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