Tawny-bellied Hermit
Phaethornis syrmatophorus
Large forest hummingbird with long decurved bill and long tail. Rich buffy belly and rump, obvious pale eyebrow and mustache stripe. Elongated central tail feathers with white tips, like many other large hermits. Found in subtropical forest understory in the Andes from Colombia to northern Peru, usually from 1,500–2,300 m. Higher elevation than other hermits. Usually flies by quickly in the dark forest understory uttering a piercing “tseet!” call, occasionally stopping to feed at flowers, especially Heliconia. Rarely visits feeders.
识别特征
The tawny-bellied hermit is about 14 cm (5.5 in) long and weighs 5 to 7 g (0.18 to 0.25 oz). This medium-sized hermit's upperparts are olive green, and males have reddish-orange uppertail coverts. The central tail feathers of both sexes are long and white and the rest are dark with bright orange ends. The nominate subspecies has an orange throat, belly, and undertail coverts; the throat and chest of P. s. columbianus are dark brown. Both sexes have an obviously decurved bill with the female's being more curved than the male's.
分类信息
Two subspecies of the tawny-bellied hermit are recognized, the nominate P. s. syrmatophorus (Gould, 1852) and P. s. columbianus (Boucard, 1891). Two others have been proposed, P. s. berlepschi and P. s. huallagae. The former was based on a specimen of an immature nominate and the latter cannot be distinguished from the nominate.
- 学名
- Phaethornis syrmatophorus
- 命名信息
- Gould, 1852
- 目
- Apodiformes
- 科
- Trochilidae
- 属
- Phaethornis
分布与栖息地
The nominate subspecies of tawny-bellied hermit is found in the Western Andes of Colombia (including the valleys of the Cauca and Patía rivers) and locally south on the western Andean slope through Ecuador to western Loja Province. P. s. columbianus is found in the Central and Eastern Andes of Colombia (including the southern Magdalena River valley) and south on the Andes' eastern slope through Ecuador to northern Peru's San Martín Department. It principally inhabits the understory of humid montane forest but is also found at forest edges and in dense secondary forest. In elevation it mostly ranges between 1,000 and 2,300 m (3,300 and 7,500 ft) though it has been recorded as low as 750 m (2,500 ft) and as high as 3,100 m (10,000 ft). The white-whiskered hermit (P. yaruqui) replaces it in similar habitats below 1,000 m (3,300 ft).
- 迁徙
- Resident species
行为
The tawny-bellied hermit is believed to be sedentary.<p>The tawny-bellied 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 tawny-bellied hermit's breeding seasons across its range have not been determined in detail but seem to be in the March to August window and possibly also in December. The nest is a cone-shaped cup constructed of leaves and vegetable fibers bound with spider silk and suspended from the underside tip of a drooping leaf. The clutch size is two eggs.<p>The tawny-bellied hermit's song is "a continuous series of single, high-pitched, almost insect-like 'tsi' calls". Several males often sing at a lek. The species also gives flight calls of "an upslurred 'peeet!'" and "a soft 'stip'".
保护状况
- 种群趋势
- unknown
照片
分布
鸟叫声
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