Black-backed Cisticola

Cisticola eximius

A tiny, short-tailed, streaky cisticola. Note the rufous rump and variably rufous flanks. Breeding male has an unstreaked rufous crown. Female and non-breeding male have a paler brown crown with dark streaks. Found locally in short grassland, especially in seasonally flooded areas. Inconspicuous for most of the year. Usually seen when doing a flight display over its breeding habitat. Very similar to several other cisticolas, though usually distinguished by range. Zitting Cisticola overlaps widely in range, but Black-backed is separated by voice, richer overall coloration, and shorter tail. The song consists of a series of raspy “chree” notes, sometimes given along with wing snaps. Also gives explosive scolding notes and high-pitched whines. 

分类信息

The black-backed cisticola was described by the German explorer and ornithologist Theodor von Heuglin in 1869 from a specimen collected near the Bahr el Ghazal River in South Sudan. He coined the binomial name Drymoeca eximia. The specific epithet eximius is the Latin for "select" or "distinguished". The species is now placed in the genus Cisticola which was erected by the German naturalist Johann Jakob Kaup in 1829.<p>Three subspecies are recognised:

学名
Cisticola eximius
命名信息
(Heuglin, 1869)
Passeriformes
Cisticolidae
Cisticola

分布与栖息地

迁徙
Resident species

保护状况

种群趋势
stable

照片

分布

其他鸟类

Flame-rumped Tanager

Flame-rumped Tanager

Ramphocelus flammigerus

Fairly large tanager found in open habitats in lowlands and foothills below 1,500 m. Male is all black with contrasting rump varying from lemon yellow to red. Female is dark blackish-brown above and yellow below, sometimes with an orange breast band. She also has a contrasting rump varying from lemon yellow to red. On both sexes, note stout silver bill with dark tip. Common and conspicuous in clearings, gardens, shrubby areas, and second growth, usually in pairs or small groups.

Rosy-throated Longclaw

Rosy-throated Longclaw

Macronyx ameliae

Beautiful pipit that is pink below and streaked brown above. The male has a bold black chest band and streaking, while the female is not as heavily marked. Found in wet grasslands, where it is generally shy and inconspicuous. Vocalizations include a two-part “dhew-dhew” call that is sometimes quickly repeated or extended into a long whistle. Separated from other longclaws by its pink underparts.

Slaty-backed Gull

Slaty-backed Gull

Larus schistisagus

Thickset, short-winged, pot-bellied gull. Adult has dark gray back and wings, intense pink legs, and an especially large white “crescent” (white tertial edges) near the wingtips when perched. Breeding adult white-headed; nonbreeding birds have variably heavy brown streaking on the head and upper breast. Takes four years for immatures to progress from mostly brown to fully white and gray adult plumage; intermediate plumages are often mottled and messy. Often looks rather frosty by the first winter; starts to develop a gray back and whitish eye in its second year. Primarily an Asian species, found in coastal regions from Japan and South Korea to Russia. Regularly occurs in western Alaska, but very rare elsewhere in North America.

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