Japanese Thrush
Turdus cardis
Elusive thrush, seldom seen far from cover. Favors well-shaded streamsides, gullies, and valleys in broadleaf hill forests during the breeding season, but can be found in sparser habitats in the non-breeding season. Adult male sharply marked and beautiful if seen well, combining coal-black upperparts with a snow-white belly punctuated with dark speckles. Immature male gray above, belly tinged orange. Female medium brown above with white underparts marked with both dark speckles and an orange suffusion; can be confused with female Gray-backed Thrush, but dark markings in Japanese extend to lower belly (restricted to the throat in Gray-backed). Rich, lengthy song often very repetitive.
识别特征
The Japanese thrush (Turdus cardis) is a species of bird in the thrush family Turdidae. The species is also known as the grey thrush or the Japanese grey thrush. The species was once split into two subspecies, with birds breeding in China being treated as the subspecies T. c. lateus,, but today differences are attributed to natural variation and the species is treated as being monotypic. The Japanese thrush is migratory. It breeds in central China and Japan, arriving in Japan by April or May; it winters in coastal southern China (including Hainan) and northern Laos and Vietnam leaving its breeding grounds around October. It occasionally turns up as a passage migrant in Taiwan, and has been vagrant in Thailand. The species is usually found in forests and woodlands, either deciduous or mixed deciduous and coniferous in its breeding habitat, but also secondary forest and even gardens and parks. The Japanese thrush is a mid-sized thrush. The two sexes have different plumage (sexual dimorphism). The male has a black head, breast, back, wings and tail, and a white underside with black spots in the upper belly and flanks. The legs, bill and thin eye-ring are yellow. The female is brown above and has a white throat, breast and belly, washed with rusty orange on the flanks and black spots. The Japanese thrush feeds on the ground, scratching through leaf-litter to find insects and earthworms. It will also take fruit. It lays 2-5 eggs in a nest made of twigs and moss, bound with mud and lined with hair and rootlets. The eggs are incubated for 12–13 days and the chick nestling period is 14 days. The species double broods (raising two broods a season), with the female laying a new clutch soon after the first brood fledges.
分类信息
Genus: Turdus; Family: Turdidae; Order: Passeriformes.
- 学名
- Turdus cardis
- 命名信息
- Temminck, 1831
- 目
- Passeriformes
- 科
- Turdidae
- 属
- Turdus
分布与栖息地
Breeding range: PAL : c China and Hokkaido to Kyushu (n to s Japan). Non-breeding range: se Asia and se China.
- 繁殖区
- PAL : c China and Hokkaido to Kyushu (n to s Japan)
- 非繁殖区
- se Asia and se China
- 迁徙
- Complete migrants
行为
Migration pattern: Complete migrants.
保护状况
- 种群趋势
- unknown
照片
分布
鸟叫声
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