Black Curassow

Crax alector

Large, terrestrial rainforest bird; common and tame where not hunted. Note mostly black plumage, white belly, and yellow base of bill. Walks through forest feeding on arthropods and fallen fruit. When flushed, flies laboriously to low perch and looks back at observer. Frequently seen along roadsides and rivers. Roosts in forest canopy. Males often give low, booming song on moonlit nights.

识别特征

The black curassow is a large bird reaching about 900 millimetres (35 in) in length. The male has black upper parts glossed with a purplish sheen and an inconspicuous black crest. The skin at the base of the grey beak is yellow or orange but there are no knobs and wattles. The underparts are white. The female is similar but the crest is barred with white, and the juvenile is black, barred and mottled with reddish-brown and reddish-buff.

分类信息

There are two recognized subspecies:

学名
Crax alector
命名信息
Linnaeus, 1766
Galliformes
Cracidae
Crax

分布与栖息地

迁徙
Resident species

行为

The black curassow is a largely ground-dwelling bird. It lives in the undergrowth in lowland forests and plantations and in riverside thickets. It mostly eats fruit, but also consumes buds, shoots, leaves, flowers, fungi and invertebrates. It nests a few meters above the ground in trees, the nest being a platform of sticks. Breeding takes place in the rainy season in Suriname while in French Guiana, young are reported in March and September.

保护状况

种群趋势
declining

照片

分布

鸟叫声

其他鸟类

White-winged Snowfinch

White-winged Snowfinch

Montifringilla nivalis

Distinctive long-tailed and long-winged inhabitant of high alpine zones; can be found slightly lower down in winter and around human habitation (towns, monasteries, ski resorts), where it can be quite approachable. Black-and-white wings striking in flight. In the breeding season, the bill is dark and the chin is black (bill yellowish and chin patch absent in nonbreeding season). The head is paler grey in winter. Feeds on seeds and insects. Song consists of buzzy warbles and chirps. Gives nasal “reep” calls and dry chatters.

Pacific Flatbill

Pacific Flatbill

Rhynchocyclus pacificus

Shy and inconspicuous flycatcher of lowland and foothill rainforest in western Colombia and northwestern Ecuador. Plumage is mostly olive with yellowish streaks on underparts, gray eyering, and brown patches in wings. Bill is very wide at the base, though this may not be evident when the bird is seen from the side. Similar to Fulvous-breasted Flatbill, but Pacific lacks tawny breast and is usually found at lower elevations. Also similar to Olivaceous Flatbill, but has brown (not yellow) in the wings. Typically found alone or in pairs at fairly low levels inside the forest, and sometimes joins mixed-species flocks.

Medium Tree-Finch

Medium Tree-Finch

Camarhynchus pauper

A critically endangered Galápagos finch found only on the island of Floreana. Bill is moderately curved on both upper and lower edges, and slightly longer than it is deep. Male has a black hood, brownish-olive upperparts, and a pale belly. Female is tan with whitish underparts. Both sexes have faint streaking on the breast. Bill is black on breeding male and orange on female and non-breeding male. Large Tree-Finch has larger and more bulbous bill. Small Tree-Finch has slightly smaller bill and body. Identification is much easier when more than one species is present to allow direct comparison. Medium Tree-Finch inhabits forest mainly in the highlands but is occasionally seen closer to the coast, where it may be only a seasonal visitor.

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