Grey-rumped Swift vs White-collared Swift
Chaetura cinereiventris 비교 대상 Streptoprocne zonaris
Side-by-Side Comparison
| 속성 | Grey-rumped Swift | White-collared Swift |
|---|---|---|
| 학명 | Chaetura cinereiventris | Streptoprocne zonaris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 20.9 cm (8.2 in) | 42.5 cm (16.7 in) |
| 체중 | 16.15 g (0.57 oz) | 106.45 g (3.75 oz) |
| 식성 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 산란 수 | 2-4 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Grey-rumped Swift
Soft, rippling trill with gentle buzzy overtones; light aerial call carrying a faint liquid quality on calm mornings.
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
Grey-rumped Swift
Found from Nicaragua south through Central America and northwestern South America to Bolivia and Brazil. Resident in lowland forest and edge.
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.
보전 상태
Grey-rumped Swift
White-collared Swift
How to Tell Them Apart
Grey-rumped Swift
Small; dark blackish-brown upperparts; pale grey rump contrasting with dark back; underparts dark grey-brown; short spiny tail; Neotropical species with the grey rump as key field mark; widespread from Caribbean …
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
Grey-rumped Swift
중앙아메리카에서 남아메리카까지 습한 숲에 서식하는 중형 칼새 (11–12 cm). 회-갈색 아랫면이 특징. 공중 곤충 섭취.
White-collared Swift
A very large swift (20-22 cm, wingspan 45-55 cm) with a bold white collar band, the largest New World swift. Found from Mexico to southern Brazil and the Caribbean. Aerial insectivore, foraging in large, noisy flocks over forests and cities. Nests behind waterfalls and in caves.