Hermit Thrush
Catharus guttatus
Medium brown above with contrasting reddish tail. Dark spots on breast do not continue all the way down belly like Wood Thrush. Found in wooded areas; often hops on the ground or skulks in dense patches of shrubbery. Winters further north than other thrushes; many stay in the U.S. Listen for its beautiful song that is higher pitched than other thrushes with a steady introductory note; also gives low "chup" call note.
识别特征
This species measures 15 to 18 cm (5.9 to 7.1 in) in length, spans 25 to 30 cm (9.8 to 11.8 in) across the wings and weighs 18 to 37 g (0.63 to 1.31 oz). Among standard measurements, the wing chord is 7.8 to 11.1 cm (3.1 to 4.4 in), the bill is 1.6 to 1.9 cm (0.63 to 0.75 in) and the tarsus is 2.7 to 3.3 cm (1.1 to 1.3 in). It is more compact and stockier than other North American Catharus thrushes, with relatively longer wings. The hermit thrush has the white-dark-white underwing pattern characteristic of Catharus thrushes. Adults are mainly brown on the upperparts, with reddish tails. The underparts are white with dark spots on the breast and grey or brownish flanks. They have pink legs and a white eye ring. Birds in the east are more olive-brown on the upperparts; western birds are more grey-brown.[citation needed]
分类信息
- 学名
- Catharus guttatus
- 命名信息
- (Pallas, 1811)
- 目
- Passeriformes
- 科
- Turdidae
- 属
- Catharus
分布与栖息地
- 繁殖区
- NA : widespread
- 非繁殖区
- to w, s USA, Mexico and Guatemala
- 迁徙
- Complete migrants
行为
Hermit thrushes breed in coniferous or mixed woods across Canada, southern Alaska, and the northeastern and western United States. They make a cup nest on the ground or relatively low in a tree.<p>While most hermit thrushes migrate to wintering grounds in the southern United States and south to Central America, some remain in northern coastal US states and southern Ontario. Identification of spotted thrushes is simplified by the fact that hermit thrush is the only spotted thrush normally found in North America during winter. They usually breed in forests, but will sometimes winter in parks and wooded suburban neighborhoods.<p>They are very rare vagrants to western Europe and northeast Asia.<p>They forage on the forest floor, also in trees or shrubs, mainly eating insects and berries.
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Slender-billed Finch
Xenospingus concolor
Long-tailed, often rather skulking “finch” (actually a tanager) of scrub, hedges, and riverside thickets in desert lowlands, where no very similar species are found. Adult blue-gray overall with slender, bright yellow bill, and yellow legs; tail often held cocked. Immature looks very different: streaky overall with white eyering and slender yellow bill (darker on youngest birds). Voice notably varied: chips, clucks, and chatters usually given from cover.
Atlas Flycatcher
Ficedula speculigera
Very similar and closely related to European Pied Flycatcher. Males have mixed features of Collared and European Pied Flycatchers, but note very large white wing patch and big white forehead. Also note the absence of a white collar and pale rump patch on Atlas Flycatcher. Females are very difficult to distinguish, but note gray upperparts with paler rump and big white primary base patch. Song is a cheery up-and-down series, quite similar to that of European Pied. Calls subtly different from European Pied Flycatcher with a slightly more metallic "whit" and a slower tempo. Inhabits a variety of wooded habitats in the Atlas Mountains.
California Thrasher
Toxostoma redivivum
Long-tailed with long, slender bill that is sharply downcurved. Drab grayish-brown without any markings. Paler on throat; warmer orangey color on belly. Often hard to see when lurking in dense shrubs. Sings from prominent perches. Song is seemingly endless and complex. Forages primarily on the ground. Range restricted to dense brush and woodland in California and Baja California.
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