Quebracho Crested-Tinamou
Eudromia formosa
A striking tinamou of the northern chaco desert and scrub. Very similar to Elegant Crested-Tinamou, but range does not overlap. Prefers dense scrub and understory, but can also be seen in openings and roadsides. Voice distinctive, and quite different from Elegant Crested-Tinamou: two whistles that are each flat in pitch, then rising sharply in pitch at the end - “Tooooo-wee! Tooo-wee!”
识别特征
The quebracho crested tinamou is approximately 39 cm (15 in) in length. Its upper parts are greyish-brown to blackish with a few scattered small white spots. Its lower parts are pale buffish to whitish and heavily barred with black. Its head has a black crest that is long, thin, and straight. It has a dusky stripe behind eye, bordered above and below by white stripes.
分类信息
Eudromia comes from two Greek words, eu meaning well or nicely, and dromos meaning a running escape. These definitions together mean, nice running escape, which refers to their habit of escaping predators by running.All tinamou are from the family Tinamidae, and in the larger scheme are also ratites. Unlike other ratites, tinamous can fly, although in general, they are not strong fliers. All ratites evolved from prehistoric flying birds, and tinamous are the closest living relative of these birds.<p>There are two subspecies of this tinamou:
- 学名
- Eudromia formosa
- 命名信息
- (Lillo, 1905)
- 目
- Tinamiformes
- 科
- Tinamidae
- 属
- Eudromia
分布与栖息地
The quebracho crested tinamou is found in dry forests up to 500 m (1,600 ft). It is also found in dry savanna. Its range is northern Argentina and Paraguay.
- 迁徙
- Resident species
行为
Like other tinamous, the quebracho crested tinamou eats fruit off the ground or low-lying bushes. They also eat small amounts of invertebrates, flower buds, tender leaves, seeds, and roots. The male incubates the eggs which may come from as many as 4 different females, and then will raise them until they are ready to be on their own, usually 2–3 weeks. The nest is located on the ground in dense brush or between raised root buttresses.
保护状况
The IUCN list this species as least concern, with an occurrence range of 290,000 km2 (110,000 sq mi).
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Tiger Shrike
Lanius tigrinus
Small, short-tailed shrike with a heavy-headed appearance. Found in lowland forests, edges, and parks. Male has an ash-gray head, an inky black mask, white underparts, and scaly chestnut wings. Female is less contrasting, with a patchy brown-and-gray crown, a smaller black mask, and black barring on the flanks and wings. Juveniles have brown heads and backs, and a brown-scaled belly; due to their lack of a mask, they have a large-eyed appearance. Juveniles can be similar to juvenile Bull-headed and Brown shrikes, but both of those species have faint but visible masks.
Philippine Magpie-Robin
Copsychus mindanensis
A common medium-sized bird of open forest, scrub, and gardens from the lowlands to middle elevations in the mountains. Male has black upperparts, throat, and chest, a white belly, and a prominent white mark in the wing. In the female, the black parts are replaced by gray, except for the wing, which remains black. Similar in size and color to Philippine Pied-Fantail, but has a white mark in the wing. Song is a pleasant, medium-pitched warbling. Also gives a short descending scratchy song, harsh rasping notes, or a pulsing, downslurred “chew! chew! chew!”
White-billed Buffalo-Weaver
Bubalornis albirostris
A big, bulky, long-tailed black weaver. The bill is white in males and black in females. There is a white patch on the front edge of the shoulder, and also a pale patch in the wing that can be conspicuous in flight. Immatures are dark brown with heavy streaking below. Found in dry savanna and woodland, often in flocks. Builds huge communal stick nests. Similar to Red-billed Buffalo-Weaver, but never shows a red bill. The common call is a harsh “sjet” that is often given repeatedly by a whole group in chorus.
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