Gray-breasted Martin
Progne chalybea
Large swallow of tropical lowlands; both sexes resemble female Purple Martin of North America. Fairly common in towns, villages, open and semi-open country with taller trees and other structures that provide nest cavities. Upperparts dark bluish overall (brighter on male), throat and breast dusky, belly whitish. Lacks pale forehead and pale hindcollar of female Purple Martin. Larger than rough-winged swallows, with a more deeply forked tail, blue cast to upperparts.
识别特征
The grey-breasted martins is 16–18 cm (6.3–7.1 in) in length and weighs 33–50 g (1.2–1.8 oz). It has a forked tail and relatively broad wings. The adult males is a glossy blue-black with the grey-brown throat, breast and sides contrasting with the white lower underparts. The female is duller than the male with a paler throat; the juvenile have dull brown upperparts.
分类信息
In 1760 the French zoologist Mathurin Jacques Brisson included a description of the grey-breasted martin in the second volume of his Ornithologie based on a specimen collected in Cayenne, French Guiana. He used the French name L'hirondelle de Cayenne and the Latin name Hirundo Cayanensis. Although Brisson coined Latin names, these do not conform to the binomial system and are not recognised by the International Commission on Zoological Nomenclature. The grey-breasted martin was subsequently described by the French polymath, the Comte de Buffon, in 1779 and by the English ornithologist John Latham in 1783. Latham used the English name "Chalybeate swallow" but neither Buffon nor Latham introduced a scientific name.<p>The German naturalist Johann Friedrich Gmelin included the grey-breasted martin when he revised and expanded Carl Linnaeus's Systema Naturae in 1789. He placed it with the swallows in the genus Hirundo and coined the binomial name Hirundo chalybea. The specific epithet chalybea is Latin meaning "steely". The grey-breasted martin is now one of nine species placed in the genus Progne that was introduced in 1826 by the German zoologist Friedrich Boie.<p>The three subspecies and their distributions are:<p>The southern subspecies migrates north as far as Venezuela during the southern hemisphere's winter, and the nominate form also undertakes local movements after the breeding season.
- 学名
- Progne chalybea
- 命名信息
- (Gmelin, JF, 1789)
- 目
- Passeriformes
- 科
- Hirundinidae
- 属
- Progne
分布与栖息地
- 迁徙
- Complete migrants
行为
Migration pattern: Complete migrants.
保护状况
Population trend: stable.
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
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Boissonneaua matthewsii
Belligerent hummingbird of Andean cloud forest; ranges from far southwestern Colombia south to Peru. Note green upperparts and hood, chestnut breast and belly, and relatively short bill. Sexes similar. Habitually holds its wings up for a split second after perching. Often seen guarding a favorite flower patch or feeder, chasing away any other hummingbird that dares to come close.
Sapphire-bellied Hummingbird
Chrysuronia lilliae
Rare, endangered, and poorly known hummingbird restricted to mangroves and adjacent scrubby areas along the Colombian coast. Male has sapphire underparts extending from throat all the way to belly, and lacks the distinct hood typical of the more common Sapphire-throated Hummingbird. Female’s plumage is not known with certainty, but likely resembles female Sapphire-throated Hummingbird, which has white central underparts bordered by green flanks, and white tail tips.
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Pardipicus nivosus
A small, relatively dark woodpecker of humid forest. Mostly dark olive-green with a paler face and underparts. The throat is streaked, the breast is spotted, and the belly is barred. Males have a small red patch on the back of the head. Found in rainforest and thick secondary forest at low and middle elevations. Spends most of its time at middle levels and in the understory. Similar to Brown-eared Woodpecker, but smaller, without a dark cheek patch. Also reminiscent of Green-backed and Little Green Woodpeckers, but separated by the spotted rather than barred breast. Not very vocal, but does give a descending, mournful whistle.
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