Pallid Swift vs Chapman's Swift
Apus pallidus 비교 대상 Chaetura chapmani
Side-by-Side Comparison
| 속성 | Pallid Swift | Chapman's Swift |
|---|---|---|
| 학명 | Apus pallidus | Chaetura chapmani |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 33.4 cm (13.1 in) | 24.6 cm (9.7 in) |
| 체중 | 42.25 g (1.49 oz) | 23.416666666666668 g (0.83 oz) |
| 식성 | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Obligate aerial forager; feeds entirely on the wing on small flying insects, midges, and airborne … |
| 산란 수 | 1-4 | 2-3 |
| 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.
Chapman's Swift
Quick, bubbling series of soft chips; pleasant liquid twittering with slightly buzzy edges, delivered during aerial display.
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.
Chapman's Swift
Found in Trinidad and Tobago and northern South America from Colombia and Venezuela south to northeastern Brazil. Resident in lowland forest.
보전 상태
Pallid Swift
Chapman's 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 …
Chapman's Swift
Small; dark sooty-brown overall; rump slightly paler grey-brown than back; underparts dark brown; short spiny tail; Amazonian species intermediate in plumage between Chimney Swift and Band-rumped Swift; relatively poorly differentiated …
About These Birds
Pallid Swift
창백한 칼새는 지중해와 중동, 아시아 중부에서 번식하고 아프리카에서 월동합니다. 연한 갈색 깃털과 목의 연한 색이 특징이며, 절벽과 건물에서 번식합니다.
Chapman's Swift
중앙아메리카에서 북부 남아메리카 숲에 서식하는 소형 칼새 (12–13 cm). 어두운 깃털; 빠른 날개짓. 공중 곤충 섭취.