Black-bellied Storm-Petrel
Fregetta tropica
Striking small seabird of cold subantarctic waters; some birds range farther north in winter (mainly May–August). Despite the name, its bold white belly is the most obvious feature that separates Black-bellied from slightly smaller Wilson’s Storm-Petrel. Most birds have a black stripe bisecting the white belly patch, but the stripe is often hard to see. Flight style often eye-catching; splashes belly down in the water and kicks its feet to change direction. Compare with the very similar White-bellied Storm-Petrel of subtropical waters, which occurs mainly to the north of Black-bellied’s range.
识别特征
They are usually black with a white band over the rump and white under the wings and on the flanks. A broad black stripe runs down the center of the belly, but may be broken or absent altogether. They have long legs, so the feet can be seen beyond the tail in flight. The legs and feet are black.<p>They are silent mostly at sea. Noises can be heard from the breeding colonies; birds on the ground give a drawn-out shrill whistle.
分类信息
- 学名
- Fregetta tropica
- 命名信息
- (Gould, 1844)
- 目
- Procellariiformes
- 科
- Oceanitidae
- 属
- Fregetta
分布与栖息地
- 繁殖区
- SO : circumpolar subantarctic islands of South Georgia, Antarctic Pen., Bouvetoya (sw of s Africa), Tristan da Cunha perhaps including Gough (sc Atlantic Ocean); Prince Edward, Crozet and Kerguelen (sw to se Indian Ocean), Bounty, Antipodes and Auckland is. (se and s of South I., New Zealand)
- 非繁殖区
- southern oceans mostly s of Equator to Antarctic Convergence
- 迁徙
- Complete migrants
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Slaty Egret
Egretta vinaceigula
A small, dark egret with a rusty-buff throat and yellow-green legs and feet. It occurs solitarily or in small groups, preferring marshes and floodplains; it avoids open areas, seeking cover in small channels or near long grass. Slaty Egrets walk slowly, shuffling their feet to surprise fish and frogs. Although it is mostly resident, it can disperse widely outside of its core range. The similar Black Egret differs by having a dark throat, dark legs with yellow feet, and occasionally foraging in a distinctive “umbrella” position, whereby it covers its head with its wings.
Band-tailed Manakin
Pipra fasciicauda
Small manakin of lowland rainforest. Males are bright yellow with black wings and back, red cap, and a variable red wash on breast; males also have a white tail band, which is most visible in flight. Females are dull yellow-olive with a slightly brighter yellow belly. Compared to other female manakins, females of this species have a white eye and are more yellow, with a yellower belly. Found in the understory of mature rainforest, as well as in bamboo. Listen for the male’s song, a descending “teew” whistle.
White-tailed Cotinga
Xipholena lamellipennis
Astonishingly beautiful cotinga. Males are glossy black with white wings and tail. Females are gray with a lightly mottled breast and white edges to the flight feathers. Note the white eyes in both sexes. Occurs in humid forest, where it is usually detected perched high in the canopy or in fruiting trees at the forest edge. The call is a loud “purp.” The female is very difficult to separate from female Pompadour Cotinga, but ranges do not overlap.
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