Red-faced Guan
Penelope dabbenei
Mostly arboreal guan endemic to the semi-humid forest with Podocarpus and alders of the mid-elevation east Andes in southern Bolivia and northeast Argentina. Often in ravines and river basins. The sympatric Dusky-legged Guan is more common, but shows grayish-blue skin around the eye. Tends to perch high in trees, singly or in pairs, and often found by far-carrying vocalizations given from high in trees. Note pale supercilium, dull pinkish legs, exposed red orbital skin and wattle.
识别特征
The red-faced guan is 63 to 69 cm (2.1 to 2.3 ft) long. One female weighed 1,230 g (2.7 lb). It is rich brown overall with white or silvery flecking on the head, breast, and upper back. It has an obvious whitish supercilium, bare pinkish red facial skin, and the red dewlap that is typical of its genus.
分类信息
At least one author has suggested that the red-faced guan should be treated as a subspecies of the Andean guan (Penelope montagnii) and others have suggested a close relationship between it and the dusky-legged guan (P. obscura) but later work refuted both treatments. The red-faced guan is monotypic.
- 学名
- Penelope dabbenei
- 命名信息
- Hellmayr & Conover, 1942
- 目
- Galliformes
- 科
- Cracidae
- 属
- Penelope
分布与栖息地
The red-faced guan is found in a narrow band on the east side of the Andes of southern Bolivia and northwestern Argentina. It inhabits the cloudforest of the Yungas region and prefers extensive tracts of large trees. It does occasionally occur in smaller patches or in young secondary forest. In elevation it mainly ranges between 1,800 and 2,500 m (5,900 and 8,200 ft) but sometimes as low as 1,300 m (4,300 ft).
- 迁徙
- Resident species
行为
The red-faced guan is thought to be largely sedentary, but some altitudinal movement has been reported in Argentina.<p>The red-faced guan usually forages in pairs but larger groups have been reported. It mostly forages in trees but also feeds on the ground. Its diet is mostly fruits and it also eats leaves and arthropods.<p>The red-faced guan's breeding season has not been fully defined, but displaying and calling pairs have been documented between September and December. It builds a platform nest of twigs and stems lined with leaves and sited in a tree. The clutch size is three eggs.<p>The red-faced guan makes a wing-whirring display at dawn. Its song is "random-sounding gruff notes, given in level series". Its alarm call is "a loud, throaty and repeated 'kroa, kroa...' interspersed by whistled notes 'luuuii'."
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
African Paradise-Flycatcher
Terpsiphone viridis
This remarkable flycatcher occurs in both rufous and white morphs, but it always has grayish underparts and a strong crest. The breeding male has ludicrous central tail feathers, twenty centimeters long, that trail like the ribbon of a rhythmic gymnast, while the female lacks the tail streamers and has a smaller crest. Singles and pairs occasionally join flocks in open woodland, riverine forest, and thickets, avoiding lowland evergreen forest. Very vocal, often giving a repeated grating “dzee-zwee” call and a sweet melodic “willie-willie-willie-wee-wooo” song. The very similar Rufous-vented Paradise-Flycatcher differs from African Paradise-Flycatcher by having a rufous undertail and a shorter crest.
Colima Warbler
Leiothlypis crissalis
Rather drab warbler of highlands in Mexico. Dusky gray-brown overall with grayer head, bold white eyering, buffy flanks, and mustard-yellow undertail coverts. Sings from atop bushes and small trees, but otherwise rather skulking, generally staying low and well-hidden. Does not join mixed-species flocks. Breeds in oak scrub and thickets within mountainous pine-oak forest. Winters in brushy flower banks and tangles within pine-oak forest. Breeding range barely enters the U.S. in the Big Bend region of Texas.
Abyssinian Ground-Hornbill
Bucorvus abyssinicus
A huge ground-dwelling hornbill. Males have a mix of blue and red bare facial skin, while females have entirely blue facial skin. In flight, a large white patch is revealed in the wings. Found in savanna, grassland, and agricultural habitats, usually in pairs or small groups, walking on the ground. Breeds and roosts in trees. Similar to Southern Ground-Hornbill, but there is little overlap in range, and Abyssinian is easily separated by the blue facial skin. The call is a series of deep “boop” notes.
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