White-throated Needletail vs White-collared Swift
Hirundapus caudacutus 比較対象 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | White-throated Needletail | White-collared Swift |
|---|---|---|
| 学名 | Hirundapus caudacutus | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 41.2 cm (16.2 in) | 42.5 cm (16.7 in) |
| 体重 | 101.475 g (3.58 oz) | 106.45 g (3.75 oz) |
| 食性 | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 一腹卵数 | 2-7 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-throated Needletail
Powerful, loud churring rattle descending in pitch; deep resonant trill audible from great distance, forceful and sustained.
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
White-throated Needletail
Breeds in Siberia, China, Japan, and the Himalayas. Long-distance migrant wintering in Australasia and Southeast Asia. Breeds in forests and cliffs.
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
White-throated Needletail
White-collared Swift
How to Tell Them Apart
White-throated Needletail
Large; dark blackish-brown upperparts with metallic green gloss; white throat and undertail coverts; pale white back saddle between wings; short spiny tail; one of the world's fastest birds; white throat …
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
White-throated Needletail
シロハラハリオアマツバメ（Hirundapus caudacutus）はアジアで繁殖しオーストラリア・ニュージーランドに渡る大型のアマツバメ（体長18〜20 cm）。暗い羽衣と白い喉・腰・腹が特徴。飛行中に昆虫を捕らえ、時速170 kmを超える速さで知られる世界最速の鳥の一つ。
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。