Pallid Swift vs Pale-rumped Swift
Apus pallidus 비교 대상 Chaetura egregia
Side-by-Side Comparison
| 속성 | Pallid Swift | Pale-rumped Swift |
|---|---|---|
| 학명 | Apus pallidus | Chaetura egregia |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 33.4 cm (13.1 in) | 23.4 cm (9.2 in) |
| 체중 | 42.25 g (1.49 oz) | 23.68 g (0.84 oz) |
| 식성 | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 산란 수 | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Pale-rumped Swift
Breathy, rippling chatter with airy quality; light twittering notes loosely strung together in relaxed arrhythmic sequences.
Geographic Range & Migration
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
Pale-rumped Swift
Found in the western Amazon basin from eastern Peru and Bolivia east to central Brazil. Resident in lowland tropical forest near rivers.
보전 상태
Pallid Swift
Pale-rumped Swift
How to Tell Them Apart
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
Pale-rumped Swift
Small; dark sooty-brown upperparts; distinctively very pale whitish rump strongly contrasting with dark back; underparts dark grey-brown; short spiny tail; Amazonian species with one of the most striking white rumps …
About These Birds
Pallid Swift
창백한 칼새는 지중해와 중동, 아시아 중부에서 번식하고 아프리카에서 월동합니다. 연한 갈색 깃털과 목의 연한 색이 특징이며, 절벽과 건물에서 번식합니다.
Pale-rumped Swift
콜롬비아에서 페루, 서부 브라질까지 습한 저지대 숲에 서식하는 소형 칼새 (11–12 cm). 어두운 갈-검은색 깃털. 공중 곤충 섭취.