Scarlet-shouldered Parrotlet
Touit huetii
Small parrot, widespread but uncommon across the lowlands of northern South America. Difficult to see well unless a flock drops into a clay lick; otherwise, most often detected by voice as they pass over in high-flying flocks. Overall green with some brownish or yellowish tones on the head and dark forehead. Note the blue and red shoulder; the red especially can be limited or completely hidden. In flight, shows bright red underwing covert and a short, squared-off tail. Compare with the slightly larger Cobalt-winged Parakeet.
识别特征
The scarlet-shouldered parrotlet is 15 to 16 cm (5.9 to 6.3 in) long and weighs 58 to 62 g (2.0 to 2.2 oz). Its body is mostly green, darker above than below. The front of its face is dark with a white eye ring and its crown and nape olive-brown. Its upper wing coverts are dark blue, its primaries black, and its carpal bar, underwing coverts, and axillaries red. The male's tail has green central feathers and red outer ones with black tips; females' tails are all greenish yellow with black tips. Both sexes' under tail coverts are yellow. Immature birds are like adult females but with a green face.
分类信息
The scarlet-shouldered parrotlet is monotypic.
- 学名
- Touit huetii
- 命名信息
- (Temminck, 1830)
- 目
- Psittaciformes
- 科
- Psittacidae
- 属
- Touit
分布与栖息地
The scarlet-shouldered parrotlet has a disjunct distribution. It is found in northeastern Venezuela and adjacent Guyana, from southern Venezuela through southeastern Colombia, eastern Ecuador, and eastern Peru into northern Bolivia, and in the eastern Amazon Basin of Brazil. The species is thought to possibly bridge the gaps between the range sections. It has occurred as a vagrant on Trinidad, and undocumented sight records in Suriname lead the South American Classification Committee of the American Ornithological Society to call it hypothetical in that country. <p>The scarlet-shouldered parrotlet inhabits lowland terra firme and várzea forests. In elevation it mostly occurs below 900 m (3,000 ft) but has occasionally been recorded as high as 1,300 m (4,300 ft).
- 迁徙
- Nomadic movement
行为
The scarlet-shouldered parrotlet is non-migratory but most probably nomadic in Amazonia. They are seldom "found in one area for more than a few weeks at a time".<p>The scarlet-shouldered parrotlet's foraging technique and diet have not been documented.<p>The scarlet-shouldered parrotlet's breeding season apparently includes April in southern Venezuela and September to December in southern Brazil. Nothing else is known about its breeding biology.<p>The scarlet-shouldered parrotlet's call is a "very high 'tjoot-tjoot-tjoot-' mixed with 'tjer tjer-'." Large flocks in flight make a "continuous, monotonous, noisy chattering." It gives a soft "churr" when perched.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Steller's Jay
Cyanocitta stelleri
Black-and-blue with a crest. Widespread in western North America, from Alaska to Nicaragua. Shows marked variation across range: coastal populations are the darkest, with no pale markings around the eye. Central American birds have shorter crest, limited black on the face, and very bold white markings around the eye. Occurs in coniferous forests, usually in small groups. Regularly visits feeders, campgrounds, and picnic areas. Loud and conspicuous; listen for harsh calls.
Black-legged Kittiwake
Rissa tridactyla
Small oceanic gull. Adults have solid black wingtips that look like they were dipped in ink. Also note translucent flight feathers, entirely yellow bill, and black legs. Nonbreeding birds have a dark ear patch and smudgy gray on the back of the neck. Immatures are boldly patterned with a black collar and “M” pattern on wings. Rather buoyant in flight, sometimes soaring in high arcs in windy conditions. Breeds at high latitudes across the Northern Hemisphere, primarily in large colonies on cliffs and other structures overhanging water. Spends the winter on the open ocean, sometimes seen from shore. Rare inland. Can gather in flocks during migration and winter, especially where food is abundant.
Russet-tailed Thrush
Zoothera heinei
Large thrush, adult rich brown marbled with dark marks above, pale with black scaly marks below. Larger Bassian Thrush has smaller-appearing bill, is more contrastingly marked above. In flight, Russet-tailed shows white in tail corners, absent in Bassian. The smaller wingbar has more prominent pale tips in adult Russet-tailed than Bassian. Inhabits wet forests, where it forages in leaf litter. Song a distinctive, thin “whee-doo,” falling in pitch, very unlike Bassian.
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