White-chested Swift vs Purple Needletail
Cypseloides lemosi 对比 Hirundapus celebensis
Side-by-Side Comparison
| 属性 | White-chested Swift | Purple Needletail |
|---|---|---|
| 学名 | Cypseloides lemosi | Hirundapus celebensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 30.0 cm (11.8 in) | 42.7 cm (16.8 in) |
| 体重 | 28.400000000000002 g (1.00 oz) | 186.5 g (6.58 oz) |
| 食性 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Catches aerial plankton of small insects and spiders in fast sweeping flight; roosts in rock … |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-chested Swift
High, thin twittering; soft 'tsit' calls in flight; calls over Colombian waterfalls; very poorly known; thin, reedy contact notes; one of most rarely documented swifts
Purple Needletail
Thin, penetrating screech with piercing quality; rapid trilling notes cascading steeply, cutting through jungle noise effectively.
Geographic Range & Migration
White-chested Swift
Known from Colombia and adjacent Ecuador. One of the world's rarest swifts; recorded at waterfalls in humid forest foothills at 500–1,200 m.
Purple Needletail
Found on Sulawesi, the Philippines, and adjacent islands in Wallacea. Resident in lowland and hill forest, foraging over forest and open areas.
保护状况
White-chested Swift
Purple Needletail
How to Tell Them Apart
White-chested Swift
Black upperparts and wings; distinctive large white chest patch contrasting sharply with black throat and belly; white confined to central breast; Colombian endemic with unique bold bicoloured plumage unlike any …
Purple Needletail
Very large; dark black-brown upperparts with intense purple gloss on back and wing coverts; white throat patch; white undertail coverts; short spiny tail; Sulawesi endemic and the heaviest needletail; stunning …
About These Birds
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。
Purple Needletail
苏拉威西针尾雨燕是印度尼西亚苏拉威西岛的特有雨燕，属针尾雨燕属。体型较大，飞行速度极快，尾羽具坚硬的针状羽轴。以飞行昆虫为食，在空中度过大部分时间，栖息于热带森林和开阔地带。