Short-tailed Hawk
Buteo brachyurus
Rather small hawk that is often seen soaring on flat wings with tips swept upwards, suddenly dropping out of the sky like a rock. Dark morph adult is very dark brown with paler undersides on outer flight feathers. Dark juvenile similar but is distinctly spotted below, and lacks the terminal band on the wings. Light morph adult is clean white below and brown above with rusty patch on the side of its neck, a dark hood and a white throat. Light morph juvenile is similar but lacks rusty patch. All birds have a faintly banded tail. Most similar to Broad-winged Hawk, which is never clean white below. Dark morph Broad-winged separable from dark morph Short-tailed Hawks by tail pattern and wing shape.
分类信息
- 学名
- Buteo brachyurus
- 命名信息
- Vieillot, 1816
- 目
- Accipitriformes
- 科
- Accipitridae
- 属
- Buteo
分布与栖息地
Short-tailed hawks breed in the tropical and subtropical Americas from southeastern Brazil and northern Argentina north through Central America to the mountains of the Mexico-Arizona border area, as well as in southern Florida, United States; it is also found on the Caribbean island of Trinidad. This species is generally found below 4,500 ft (1,400 m) ASL and most common below 2,500 ft (760 m). It is replaced by the white-throated hawk (B. albigula) in the Andes of southern Colombia and south to central Argentina and Chile; the short-tailed hawk is found in the Cordillera Central and Cordillera Occidental of Colombia, while B. albigula occurs south of these locales. As far as is known, B. brachyurus is a year-round resident except that most of the Florida population migrates in winter to the southern tip of the state, including the Keys. It is somewhat habitat adaptable but only passes areas with dense human populations when foraging. The species may be found in wooded savannah, patchy woodlands near water, cypress swamps, mangrove swamps or high pine-oak woodlands. In the tropics, it is most common in lowland foothills.<p>Most of what is known about its natural history has been studied in the Floridian population, and might not apply to birds at the south of the species' range. In general, this species is associated with woodland, often near water.
- 迁徙
- Resident species
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Brown-breasted Kingfisher
Halcyon gularis
A fairly large kingfisher of lowland and foothill open country and forest edge. Chocolate brown on the underparts and hood, down to the upper back. Back, tail, and wings bright blue, with large black shoulder patches, small black wingtips, a white throat, and a bright red bill and legs. Somewhat similar to Stork-billed Kingfisher, but Brown-breasted has chocolate brown rather than orange underparts. Song is a rapid, descending series of a dozen or so sharp notes, trailing off in volume.
Chestnut-vented Nuthatch
Sitta nagaensis
Typical nuthatch; small bird with a wedge-shaped head, usually seen clambering around on trees. Gray above and white below, with a thin black line extending from the bill base to the shoulder. Deep rust red on the flanks and red-edged scaling under the tail serve to distinguish this otherwise plain species from similar nuthatches. Active and social, often following mixed flocks. Inhabits both broadleaf and coniferous forests in foothill and submontane areas. Listen for its song, a loud ringing series of trills. Calls include nasal caws, a bright-sounding “pewpewpew,” and high-pitched chittering.
Yellow-winged Vireo
Vireo carmioli
Small yellowish bird; note bold wingbars and face pattern with short pale eyebrow and arc under the eye. Yellow underparts sometimes bright, sometimes paler whitish, but always some yellow tones. Could be mistaken for a tyrannulet but note thicker bill and more horizontal posture. Usually seen singly or in pairs, following a mixed-species flock through forest, edge, and second growth. Found at relatively high elevations in its limited range. Song is a slow series of short phrases, like a squeaky Yellow-throated Vireo.
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