Himalayan Swiftlet vs Black Spinetail
Aerodramus brevirostris 对比 Telacanthura melanopygia
Side-by-Side Comparison
| 属性 | Himalayan Swiftlet | Black Spinetail |
|---|---|---|
| 学名 | Aerodramus brevirostris | Telacanthura melanopygia |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 24.6 cm (9.7 in) | 32.4 cm (12.8 in) |
| 体重 | 12.65 g (0.45 oz) | 52.0 g (1.83 oz) |
| 食性 | Small aerial insectivore feeding on minute flying insects and spiders; forages over forest canopy and … | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| 产卵数 | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Himalayan Swiftlet
Thin twittering calls; 'chip-chip' over Himalayan valleys; audible echolocation clicks in caves; moderate-pitched; colonial roosts produce chattering; calls in swift flocks at dusk
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
Geographic Range & Migration
Himalayan Swiftlet
Breeds in the Himalayas from India to southern China and Indochina. Partially migratory, wintering south to peninsular India and Southeast Asia.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
保护状况
Himalayan Swiftlet
Black Spinetail
How to Tell Them Apart
Himalayan Swiftlet
Small; dark grey-brown upperparts with faint gloss; pale grey rump band; underparts whitish-grey; forked tail; Himalayan and Southeast Asian highlands species; slightly browner than Black-nest Swiftlet with proportionally narrower rump …
Black Spinetail
Large; entirely black plumage with slight gloss; black rump unlike white-rumped congeners; underparts dark; spiny tail; West African forest species; all-black coloration with no contrasting markings distinguishes it from all …
About These Birds
Himalayan Swiftlet
一种小型金丝燕（体长13-14厘米），分布于尼泊尔喜马拉雅山麓至东南亚和中国西南部。属雨燕科（Apodidae），空中食虫，是分布最广泛的金丝燕之一。
Black Spinetail
A medium-sized spinetail swift (14-15 cm) of lowland rainforests in West and Central Africa. All-dark plumage. Spine-tipped tail for bracing against tree trunks. Aerial insectivore, foraging above the forest canopy. Nests inside hollow trees. Uncommon and seldom observed.