Chinese Bamboo-Partridge
Bambusicola thoracicus
While common in bamboo forest, this loud and colorful partridge can be found in a range of other shrubby and semiopen habitats. Not particularly shy; singing males can be located by their far-carrying song, a rising series of piercing single and triple notes. The combination of a gray-blue brow and chest, orange cheeks and breast band, and large black spots on brownish yellow flanks make this species unmistakable in its range.
识别特征
The Chinese bamboo partridge is a small bird, intermediate in size between the Coturnix and Perdix species, reaching a size of 31cm, with males being slightly larger than females. The breast and back are mottled in black, chestnut, and cream colours, with black spots on the flanks and above. The partridge's face and throat have rich fulvous and rufous tints. The breast is yellow-ochre, with pale greyish blue and taupe above the eye and down to the neck. Like the long-billed partridge, bamboo partridge exhibit well-developed flight feathers. Their tails are broad and squared. The wings are long and narrow. The birds are capable of sustained flight and move from the sub-canopy of steep hillside forest to the forest floor several times throughout the day.
分类信息
- 学名
- Bambusicola thoracicus
- 命名信息
- (Temminck, 1815)
- 目
- Galliformes
- 科
- Phasianidae
- 属
- Bambusicola
分布与栖息地
The bird is native to eastern mainland China, and has been introduced successfully to Japan, Hawaii and Argentina. It is found in warm forests and grasslands and is not entirely dependent on bamboo, despite its name. The Taiwan bamboo partridge was formerly considered a subspecies.<p>The bird was intentionally introduced first to Japan in 1919, then with varying success to Hawaii, where it is listed as an introduced bird not protected by the Migratory Bird Treaty Act. An introduced population also exists on remote Iwo Jima. Despite its success elsewhere, Chinese bamboo partridge has been extirpated from Hong Kong, and a reintroduction program in 1961 failed to produce a viable breeding population.
- 迁徙
- Resident species
行为
Like many Galliform bird species, the birds prefer hiding to flight, but will readily flush if approached, startling pursuers with loud wingbeats. Within the forest, bamboo partridge are known to fly uphill, weaving through timber. This is an unusual behaviour, recorded only in the unrelated koklass. Like the related Coturnix species, francolins and junglefowl, males broadcast loud, multi-syllabic calls throughout the day and throughout the year. These vocalisations serve as challenges to other birds as well as location calls and anti-predator alarms. The loud contact call, often rendered as ki-ko-kuai or kojukei[citation needed] (the latter rendition being adopted as its Japanese name) is repeated several times before slowing to a stop. This call is heard far more than the bird is usually seen, and though the species is common throughout its limited range, it is elusive and secretive.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Rufous-bellied Heron
Ardeola rufiventris
Small, dark, chunky heron. There are rufous patches on the wing and belly; this can be hard to see when perched but is conspicuous in flight. Found in thickly vegetated wetlands, ranging from flooded grasslands to swamps. Usually solitary. Fairly shy but will sometimes stand in the open. Shares dark coloration with Black Heron, but has chestnut patches, all-yellow legs, and a yellow base to the bill.
Ethiopian Black-headed Oriole
Oriolus monacha
A mostly yellow bird with a black hood and a red bill. The tail pattern varies geographically; it can be largely plain olive-and-yellow, or it can show black patches. Found in lush woodland and montane forest at middle elevations in the Abyssinian highlands. Very similar to African Black-headed Oriole, but usually separated by habitat and range. Further distinguished by the wing pattern, which is plainer, with a long gray patch, and without bold white feather edgings. Song is a series of slurred, liquid whistles, and calls include raspy notes.
Baird's Sparrow
Centronyx bairdii
One of North America's most sought-after sparrows due to its small breeding range and secretive habits. Breeds in extensive tall grasslands; winters in similar grassy habitats. Pale tan overall with crisp black streaking on breast. Warm buffy face is brightest to the rear of the eyebrow and broken up by thin black markings. Easy to see when perched, singing its high-pitched tinkling trill; otherwise shy and difficult to locate. Population is declining due to development of prime grassland breeding habitat.
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