Blaze-winged Parakeet
Pyrrhura devillei
Small parakeet with a long, pointed greenish-yellow tail. Has a brown crown, a scaled breast, and a variable-sized maroon belly patch. In flight, note the red and yellow bands on the underwing. Highly gregarious. Typically found in riparian woodlands.
识别特征
The blaze-winged parakeet is 25 to 26 cm (9.8 to 10 in) long. The sexes are the same. Adults have a brownish crown and reddish brown ear coverts; the rest of their face is yellowish green. Their upperparts are green. Their chin, the sides of their neck, and their breast are yellowish green; brown feather edges give a scaly appearance. The center of their belly is maroon and the rest of their underparts are the same green as their upperparts. Their wing is mostly green, with blue primaries, a red carpal area, and red and yellow underwing coverts. Their tail's top surface is olive green with maroon on the outer third, and the lower surface is dull rufous brown.
分类信息
The blaze-winged parakeet is closely related to the maroon-bellied parakeet (P. frontalis) and they may be conspecific. The blaze-winged parakeet hybridizes with P. f. chiripepe where their ranges overlap in Paraguay. The blaze-winged parakeet is monotypic.
- 学名
- Pyrrhura devillei
- 命名信息
- (Massena & Souancé, 1854)
- 目
- Psittaciformes
- 科
- Psittacidae
- 属
- Pyrrhura
分布与栖息地
The blaze-winged parakeet is found in the Brazilian state of Mato Grosso do Sul and in northeastern Paraguay's Alto Paraguay and Concepción departments. Though the type specimen is noted as having been collected in Bolivia, the area is now believed to be part of Paraguay. Undocumented sight records in Argentina lead the South American Classification Committee of the American Ornithological Society to list it as hypothetical in that country.<p>The blaze-winged parakeet inhabits parts of the Pantanal and Chaco, where it occurs mostly in deciduous and gallery forest. It is also found in the ecotones between those habitats and adjoining scrublands and savannah.
- 迁徙
- Resident species
行为
The blaze-winged parakeet's movements, if any, have not been determined.<p>The blaze-winged parakeet feeds on fruits, seeds, and nuts.<p>Nothing is known about the blaze-winged parakeet's breeding biology in the wild. In captivity it lays four to six eggs with an incubation period of 22 days and fledging seven to eight weeks after hatch.<p>The blaze-winged parakeet's most common call is "a series of rather high-pitched shrill notes , e.g. “krree krree krree” ", which it makes both from a perch and in flight. However, perched birds are often silent. Flocks in flight "call frequently and simultaneously, producing a noisy, harsh and piercing chattering."
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Alpine Accentor
Prunella collaris
Stocky, stout, and unobtrusive bird of alpine regions above the treeline. Often seen shuffling around boulders in small groups. Distinctive dark wing panel bordered by pale spots forming two wingbars, particularly obvious in flight. Barred throat can be difficult to see but chestnut flanks with white streaks distinctive. Flight is strong and fast before diving behind rocks.
Chestnut-sided Shrike-Vireo
Vireolanius melitophrys
Spectacular, large vireo of highland forests, especially pine-oak. Like most vireos, rather sluggish and easily overlooked. Best detected by song: a loud, hawklike whistle, often repeated steadily. Usually found as singles or in pairs, at middle to upper levels in forest canopy, but also low in brushy thickets; often travels with mixed-species flocks of warblers, orioles, and tanagers. Note the bold face pattern and staring pale eyes; male is more brightly marked, with deep rusty breast band while female breast band is weak and washed out.
Pacific Loon
Gavia pacifica
A medium-sized loon, common in western North America and across the Pacific to Japan. Dark overall and relatively short-billed for a loon, with a rounded crown and nape. Breeding plumage striking with gray head, white-checkered back, and thin white lines on sides of neck. Nonbreeding plumage is rather dark gray above with a clearly demarcated white throat and even border between gray and white on the neck. Diagnostic dark “chinstrap” is sometimes obvious but can be difficult to see at a distance, and is often absent on first-year birds. Especially similar to Arctic Loon, which overlaps mainly from Alaska to Japan. Pacific is subtly smaller-billed and usually holds its head horizontally. In breeding plumage, Pacific has a paler nape that shines silvery in the sunlight, and thinner white lines on the neck than Arctic. Breeds on lakes and ponds in the tundra. Winters mainly on nearshore ocean waters, sometimes in sheltered bays. Often in loose groups, especially where food is plentiful; sometimes mixes with other loon species. Rare but regular on inland reservoirs and lakes during migration and winter.
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