African Goshawk
Aerospiza tachiro
A widespread medium-sized African hawk with yellow eyes and legs. Highly variable, both by age, sex, and geographically. Gray, gray-brown, or brown on the back and head, with a white throat. The underparts vary from solidly red to barred red to barred brown. Often shows large white spots on top of the black tail. In a large swath of the range in East and Central Africa, there is an all-dark morph. Breeds in rainforest, monsoon forest, riverine forest, thickets, woodland, and exotic plantations, but it has been known to wander widely into more open country. During the breeding season it will soar high in the sky uttering a short sharp “chwik” call in aerial display; the call is given every 2–3 seconds for over a minute at a time. Similarly-plumaged Little Sparrowhawk is much smaller. Visually very similar to Chestnut-flanked Sparrowhawk in areas where they overlap, but African Goshawk is much larger and far more common. Can also be confused with Long-tailed Hawk, but African Goshawk has a shorter tail, darker upperparts, and a clean white throat.
分类信息
- 学名
- Aerospiza tachiro
- 目
- Accipitriformes
- 科
- Accipitridae
- 属
- Aerospiza
照片
分布
鸟叫声
其他鸟类
White-shouldered Tanager
Loriotus luctuosus
Small tanager with striking sexual dimorphism: male entirely black with bold white shoulder patch; female olive above and yellow below with gray head. Male most similar to White-lined Tanager but smaller with much more obvious white shoulder. Female confusing, could be mistaken for several other species of tanagers; always note small size and fairly thick bill. Typically found in pairs or small groups, usually with mixed feeding flocks, in forested habitats in lowlands and foothills.
Scale-throated Earthcreeper
Upucerthia dumetaria
Fairly common in the Andes and foothills, and locally common in shrub-steppe of Patagonia and Tierra del Fuego. Favors shrubby vegetation on rocky slopes and adjacent bogs and grassy areas; often sings from prominent perch on a rock or fencepost. In most of range, no similar species: note long arched bill, dusky scalloping on throat and breast, and pale eyebrow. Compare with Patagonian Forest Earthcreeper (until recently considered same species as Scale-throated).
White-winged Warbler
Xenoligea montana
A denizen of mature montane forests wherein it feeds low in thickets and shrubs. Often found in pairs, but sometimes in mixed feeding flocks. Eye-catching, with bright green back and gray crown contrasting sharply with near white underparts. Named for the bold white stripe in otherwise black primaries. Similar Green-tailed Ground Warbler has red eyes, grayer underparts, and lacks white in wing. Calls include high sharp “tsee” and a brief, upslurred “tswee.” Song is a low chatter.
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