Yellow-eyed Pigeon
Columba eversmanni
Nondescript brownish-gray pigeon with a bright yellow eye-ring. Wing pattern noticeably weaker than that of larger Hill Pigeons and wild-type Rock Doves. Favors open arid areas and mountain valleys, usually near a water source. Breeds in western Central Asia, with part of the population migrating south to western South Asia in the winter. Species has undergone significant decline in recent years and is now fairly uncommon in its range.
识别特征
The yellow-eyed pigeon is a medium-sized pigeon growing to a length of about 30 cm (12 in) and a weight of 183 to 234 g (6.5 to 8.3 oz). It is mostly grey, with a slightly brownish tinge to the upper parts and a pinkish-purple sheen on the crown, throat and breast. The wing has a black bar and the tail has a diffuse dark band. The lower back, rump and underside of the wings are white or pale grey. There is bare area of yellowish skin around the eye, the iris is yellow, the beak is yellowish and the feet pink. This pigeon could be confused with the rock dove (C. livia), but that species has more prominent wing bars and tail band. The hill pigeon (C. rupestris) is also similar, but it has a white subterminal band on the tail above the black terminal band. The yellow-eyed pigeon is generally a silent bird, but during the breeding season it sometimes emits a faint "oo-oo-oo".
分类信息
- 学名
- Columba eversmanni
- 命名信息
- Bonaparte, 1856
- 目
- Columbiformes
- 科
- Columbidae
- 属
- Columba
分布与栖息地
The yellow-eyed pigeon breeds in southern Kazakhstan, Uzbekistan, Turkmenistan, Tajikistan, Kyrgyzstan, Afghanistan, north-east Iran and the extreme north-west part of China. It migrates southwards in the autumn to overwinter in Pakistan, north-western India and northwestern China, in the provinces of Xinjiang and Gansu. In its breeding area it inhabits steppes and other lowland habitats including semi-arid and arid areas. In its winter quarters it is found in agricultural areas, orchards and open countryside with scattered trees. It is particularly attracted to areas with mulberry trees.
- 繁殖区
- PAL : Iran to nw China
- 非繁殖区
- nw India, Pakistan and Iran
- 迁徙
- Complete migrants
行为
The yellow-eyed pigeon feeds largely on seeds, grains and berries, usually foraging on the ground but sometimes plucking fruits from the bough. It migrates southwards in October and November, forming flocks in winter and roosting in trees. At one time flocks were numbered in thousands of individuals, but the numbers of birds have dwindled and flocks now often contain a few dozen birds, and seldom exceed a few hundred. It returns to its breeding range in April and nesting takes place during the late spring and summer. The nest site is in a hole in a cliff, a hollow tree or a ruined building. Two white eggs are laid on a platform of sticks.
保护状况
- 种群趋势
- declining
照片
分布
其他鸟类
Japanese Night Heron
Gorsachius goisagi
A small brown heron with awkward-looking, hunched appearance. Occurs in dense, damp lowland and foothill forests next to bodies of water, where it hunts prey in dense cover. Paler crown and weaker crest than similar Malayan Night-Heron and lacks the white wingtips of that species. Shy and difficult to see; most readily observed during migration, when it sometimes visits more open habitats. Gives hooting calls at regular intervals, especially in early evening.
White-cheeked Pintail
Anas bahamensis
Very distinctive duck with its white cheeks, throat, and tail contrasting with its brown body. The bill is dark with red sides at the base. In flight shows pale brown and green patches on the wings. Both sexes similar. Found in both fresh and saline wetlands.
Javan Fulvetta
Alcippe pyrrhoptera
Unremarkable-looking warm brown songbird. Endemic to Java’s montane and submontane broadleaf forests, where it is a common member of mixed flocks. Note warm rusty-toned wings and tail, long-tailed and round-headed profile, and slender dark line above the eye (sometimes inconspicuous). Song is a sad-sounding series of whistles. Calls include a fast rattling call, as well as a high-pitched, tinkling “ji’jink.”
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