White-crowned Shrike
Eurocephalus anguitimens
A bulky, large-headed vanilla-and-brown shrike. Singles and small groups of up to 6 inhabit open broadleaf woodland and riverine woodland in arid savanna, where they prefer to perch conspicuously on taller trees that are adjacent to bare ground. They perch and watch for invertebrates, which they hawk off trunks or hunt on the ground, before returning to a sentinel perch. They may form the core of mixed-species flocks and have been recorded following hornbills and eating prey they disturb. They have many calls, the most characteristic of which is a distinctive, shrill plover-like “kleeew-keeuw.”
识别特征
The southern white-crowned shrike grows to a length of about 24 cm (9 in). The sexes are alike; in the adult bird the crown and forehead are white, and the mask is black and extends above and below the eye to the side of the neck. The nape and upper parts are ashy-brown and the wings and tail are dark brown. The underparts are off-white, the upper breast being tinged with buff. The lower belly and vent areas are ashy-brown. The beak is black, the eyes brown and the legs dark brown. Juveniles are similar to adult birds but the crown is slightly mottled and barred and grey rather than white. The chin and throat are white but the remaining parts of the underparts are tinged with ashy brown.
分类信息
- 学名
- Eurocephalus anguitimens
- 命名信息
- Smith, A, 1836
- 目
- Passeriformes
- 科
- Laniidae
- 属
- Eurocephalus
分布与栖息地
- 迁徙
- Resident species
行为
Like the closely related northern white-crowned shrike, this species is highly sociable and will form small, tightly-knit groups of usually three to six individuals, but occasionally up to twenty outside the breeding season. They are not in general aggressive birds but will attack predators such as birds of prey. When foraging, they sometimes associate with Tockus hornbills, feeding on the insects they disturb as they walk around. Members of the group engage in cooperative breeding, join together in building a brooding nest, take turns in sitting on the eggs, and assist in the feeding of nestlings.
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
White-headed Barbet
Lybius leucocephalus
Chunky, medium-sized black-and-white barbet. There is a wide range of geographical variation in the distribution and extent of black and white in the plumage. The tail can be black or white, the wings can be all black or heavily white-spotted, and the underparts can be all white or all black with thin white streaks. Found locally, usually in the vicinity of fig trees, in a variety of habitats including open savanna, gardens, lush woodland, and gallery forest. The calls are a repeated “wheet” and rapid chatters which are usually given together by a group.
Large-billed Crow
Corvus macrorhynchos
A large crow that varies in size across its range; note its relatively long, daggerlike bill with curved top. Entirely black with a variable amount of glossiness. A frequent scavenger, feeding on carrion, leftover food from humans, and food stolen from other birds. Often gangs up to attack and chase other birds, especially raptors. Occurs in a wide range of habitats including woodlands, urban landscapes, agricultural fields, and open scrub forests. Call varies, generally a harsh or croaking crow.
Himalayan Beautiful Rosefinch
Carpodacus pulcherrimus
A rather dark and heavily marked rosefinch. Male is dark rosy-pink below and dark, streaky brown above with a dark pink brow. Female is brown and streaky with underparts streaking extending from the throat (where the streaks are extremely fine) to the belly (where the streaks are heavier and longer). Females also have a faint pale brow, but it is weak and not always noticeable; note the far more contrasting brow of Chinese and Himalayan White-browed Rosefinches. Inhabits montane and hilly scrub, forest edges, and village outskirts. Gives twitters and trills. The extremely similar Chinese Beautiful Rosefinch gives sharper and more metallic call notes than the Himalayan Beautiful Rosefinch.
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