Dark-billed Cuckoo
Coccyzus melacoryphus
Brownish above and buff bellow with a black bill, black bandit mask, and gray crown. The eyering is yellowish and the eyes dark. The tail is long and black with large white spots when seen from below. Found in woodlands, second growth, forest edges, plantations, riparian forests, and mangroves. The voice is a low, deep and descending “cowl-cowl-cowl.”
识别特征
The dark-billed cuckoo is 25 to 28 cm (9.8 to 11.0 in) long, about half of which is the tail. Males weigh about 42 to 54 g (1.5 to 1.9 oz) and females about 50 to 66 g (1.8 to 2.3 oz). Males and females have the same plumage. They have a gray crown and nape and grayish brown upperparts. Their wings are a darker grayish brown with no rufous. The upper surface of their tail is brown; the underside of the central pair of feathers is brown with black tips, the next pair blackish with narrow white tips, and the rest black with wide white tips. Their face is gray with a wide black "mask" past the eye, which is surrounded by a narrow ring of citron yellow, olive yellow, or gray bare skin. Their underparts are pale buff with the breast somewhat darker than the rest; the sides of the breast and flanks are gray. Juveniles are similar to adults but duller, with a brown crown and nape, gray tips on the tail feathers, and sometimes rufous in the wings.
分类信息
The dark-billed cuckoo is monotypic.
- 学名
- Coccyzus melacoryphus
- 命名信息
- Vieillot, 1817
- 目
- Cuculiformes
- 科
- Cuculidae
- 属
- Coccyzus
分布与栖息地
The dark-billed cuckoo is found regularly throughout much of South America except in Chile, where it has occurred as a vagrant. It is also resident on the Galápagos Islands. In addition to Chile, it has occurred as a vagrant in Clipperton Island, Panama, Trinidad, the Falkland Islands, Grenada, Florida, and Texas. It inhabits a wide variety of landscapes including the interior and edges of tropical deciduous, gallery, and mature secondary forest plus mangroves. It is generally a bird of the lowlands below 950 m (3,100 ft) but has been documented as high as 3,600 m (11,800 ft).
- 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
Green-backed Gerygone
Gerygone chloronota
Small plain bird with thin bill. Upperparts greenish brown, underparts mostly off-white, with gray crown, sharply contrasting white throat. Inhabits variety of tropical habitats, usually near water. Forages unobtrusively in mid-canopy. Calls sound more urgent than those of other gerygones.
Streak-breasted Honeyeater
Meliphaga reticulata
A fairly small honeyeater of lowland and foothill wooded areas on Timor. Olive-gray upperparts with greenish wing feathers, pale underparts with thick, dark streaks, sometimes looking like white streaks on a dark background. Yellow-orange ear patch, white throat and moustache stripe. Similar to Yellow-eared Honeyeater, but Streak-breasted Honeyeater lacks the yellow underparts. Voice, various whistles, rasps and mechanical warbles.
Plain-bellied Emerald
Chrysuronia leucogaster
Plainly patterned green-and-white hummingbird. Note entirely white underparts and reddish base of bill. Forages actively on flowers like other hummingbirds. Generally absent from regions of undisturbed forest; found in urban areas, mangroves, abandoned plantations, and second-growth scrub; most common in coastal areas. Very similar to White-chested Emerald and may not be safely separable unless seen well; Plain-bellied has longer bill with reddish base.
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