White-chested Swift vs White-throated Needletail
Cypseloides lemosi so với Hirundapus caudacutus
Side-by-Side Comparison
| Thuộc Tính | White-chested Swift | White-throated Needletail |
|---|---|---|
| Tên Khoa Học | Cypseloides lemosi | Hirundapus caudacutus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 30,0 cm (11.8 in) | 41,2 cm (16.2 in) |
| Khối Lượng | 28,400000000000002 g (1.00 oz) | 101,475 g (3.58 oz) |
| Chế Độ Ăn | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| Số Trứng | -- | 2-7 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
White-chested Swift only
Không
White-throated Needletail only
Không
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
White-throated Needletail
Powerful, loud churring rattle descending in pitch; deep resonant trill audible from great distance, forceful and sustained.
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.
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.
Tình Trạng Bảo Tồn
White-chested Swift
White-throated 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 …
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 …
About These Birds
White-chested Swift
A medium-sized swift (14-15 cm) endemic to the upper Cauca Valley of Colombia. Sooty-black plumage with a white breast patch. Aerial insectivore of subtropical forests. Classified as Endangered due to extremely restricted range and ongoing habitat loss.
White-throated Needletail
A large needletail swift (19-20 cm, wingspan 50-55 cm) with powerful, rapid flight. Dark brown plumage with a white throat and undertail. Spine-tipped tail. Breeds in forests of eastern Asia from Siberia to Australia. One of the fastest flying birds, reaching speeds over 160 km/h.