Brown-backed Needletail vs White-collared Swift
Hirundapus giganteus 比較対象 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Brown-backed Needletail | White-collared Swift |
|---|---|---|
| 学名 | Hirundapus giganteus | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 40.6 cm (16.0 in) | 42.5 cm (16.7 in) |
| 体重 | 145.0 g (5.11 oz) | 106.45 g (3.75 oz) |
| 食性 | Aerial insectivore feeding on tiny flies, beetles, and ballooning spiders in rapid powerful aerial pursuit. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 一腹卵数 | 3-5 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Brown-backed Needletail
Rough, buzzy chatter with intermittent higher squeaks; coarse twittering delivered continuously throughout aerial foraging.
White-collared Swift
Loud, screaming 'shreee-shreee'; powerful screeching trill; calls from large flocks over mountains; very audible; one of the loudest Neotropical swifts; alarm a harsh rattle
Geographic Range & Migration
Brown-backed Needletail
Found from India and Sri Lanka through Southeast Asia to Borneo and the Philippines. Resident in lowland and hill forest, soaring over ridges.
White-collared Swift
Found from Mexico south through Central America to South America east of the Andes, reaching Bolivia and southern Brazil. Often in large flocks.
保全状況
Brown-backed Needletail
White-collared Swift
How to Tell Them Apart
Brown-backed Needletail
Very large; dark brown upperparts with bronze gloss; no pale back saddle unlike congeners; white throat patch; white undertail coverts; short spiny tail; largest Hirundapus; brown rather than black overall …
White-collared Swift
Large; glossy blue-black plumage with bold broad white collar encircling entire neck; collar clean and complete; underparts black; large slightly forked tail; among the most recognisable Neotropical swifts due to …
About These Birds
Brown-backed Needletail
ブラウンハリオアマツバメ（Hirundapus giganteus）はインドからインドシナ半島・スマトラ・ボルネオにかけての低地・丘陵林に生息する非常に大型のアマツバメ（体長20〜23 cm）。暗い褐色の羽衣と白い喉・腰が特徴。アマツバメ属の中では最大の種の一つ。
White-collared Swift
ホワイトカラードスウィフトはラテンアメリカ全域の山岳地帯に広く分布し、白い首輪が特徴的な大型のアマツバメである。