White-bearded Hermit
Phaethornis hispidus
Large gray and green hermit of understory rainforest. Gray below, green above with gray rump and white long central tail feathers. Fairly long, slightly downcurved bill, and prominent white throat and moustache. Sexes similar. Similar to Great-billed Hermit, which is more tawny brown overall (not gray), and has a red or orange lower mandible (not yellow). Found in a variety of lowland rainforest habitats; most common around forest edges, along rivers, and around heliconias.
识别特征
The white-bearded hermit is about 13 to 14 cm (5.1 to 5.5 in) long and weighs 4 to 6 g (0.14 to 0.21 oz). This medium-sized hermit has bronzy green upperparts with gray margins on the uppertail coverts. The underparts are gray. The face has a black "mask" with a white supercilium and malar stripe; the center of the throat has a white stripe. The female has identical plumage but shorter wings and a shorter and more decurved bill than the male.
分类信息
The white-bearded hermit is monotypic.
- 学名
- Phaethornis hispidus
- 命名信息
- (Gould, 1846)
- 目
- Apodiformes
- 科
- Trochilidae
- 属
- Phaethornis
分布与栖息地
The white-bearded hermit is found in Amazonia, from the Andean foothills of western and southern Venezuela south through eastern Colombia, Ecuador, and Peru to northeastern Bolivia, and east throughout western Amazonian Brazil. In elevation it usually ranges as high as 850 m (2,800 ft) but has been recorded up to 1,200 m (3,900 ft) in Peru. It is a bird of humid landscapes. In the lowlands it mostly inhabits regularly inundated areas, such as along rivers and in várzea forest. At higher elevations if favors gallery forest in the cerrado and llanos.<p>
- 迁徙
- Resident species
行为
No information about the white-bearded hermit's movements has been published.<p>The white-bearded hermit is a "trap-line" feeder like other hermit hummingbirds, visiting a circuit of a wide variety of flowering plants for nectar. It also consumes small arthropods.<p>The breeding seasons of the white-bearded hermit vary throughout its large range but have not been defined in detail. Like many hermits, it builds a cone-shaped nest suspended from the underside of drooping leaf. The clutch size is two eggs.<p>The white-bearded hermit's song is "a continuous series of high-pitched single notes 'seep'. It is typically sung from a low perch while gathered at a lek with other males. Its call is "a short explosive 'pip!'."
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Pacific Screech-Owl
Megascops cooperi
Medium-sized owl with short ear tufts and yellow eyes. Plumage much like other screech-owls, but relatively pale and grayish overall. Fairly common in scrubby woodland and thorn forest along the edge of the Pacific Slope lowlands. Usually detected by its gruff, bouncing-ball song. No other screech-owls occur within its range and habitat.
Persian Shearwater
Puffinus persicus
A relatively small shearwater with uniformly white underparts. The upperparts are pale brown throughout with some of the brown extending to the flanks. The wings are almost entirely brown except for a white shaft down the middle. Though small in size, it is heavily built with proportionally broad wings. Flies low over the water with a purposeful and fast flight and smooth gliding. Feeds off the water surface and occasionally makes shallow dives.
Downy Woodpecker
Dryobates pubescens
Tiny woodpecker, common and widespread across much of North America. Black-and-white plumage is nearly identical to the larger Hairy Woodpecker. Focus on the bill: Downy has a very short bill, much shorter than the length of the head. Also note the small black markings on the white outer tail feathers. Pacific population has smaller white spots on the wing and a grayer body than Eastern birds. Occurs in any wooded habitat, though western birds are more restricted to riparian areas. Often forages on smaller branches than Hairy Woodpecker. Familiar visitor to backyard feeders, especially fond of suet. Calls include a soft “pik!” and descending rattle, weaker than Hairy Woodpecker.
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