Pallid Swift vs Rothschild's Swift
Apus pallidus 비교 대상 Cypseloides rothschildi
Side-by-Side Comparison
| 속성 | Pallid Swift | Rothschild's Swift |
|---|---|---|
| 학명 | Apus pallidus | Cypseloides rothschildi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 33.4 cm (13.1 in) | 30.6 cm (12.0 in) |
| 체중 | 42.25 g (1.49 oz) | 43.0 g (1.52 oz) |
| 식성 | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Aerial insectivore feeding on swarms of small flies, winged ants, and tiny beetles during sustained … |
| 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.
Rothschild's Swift
Thin, buzzy twittering in flight; soft 'tsee-tsee' contact notes; calls over Andean waterfalls; quiet and unobtrusive vocally; high-pitched but weak; rarely heard
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.
Rothschild's Swift
Found in the Andes of northwestern Argentina and adjacent Bolivia at 1,500–3,000 m. Very poorly known; nests near waterfalls in humid forest.
보전 상태
Pallid Swift
Rothschild'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 …
Rothschild's Swift
Blackish-brown overall with subtle pale scaling on throat and forehead; underparts slightly paler brownish; no contrasting white markings; robust-bodied Andean swift distinguished from Sooty Swift by faint pale throat scaling.
About These Birds
Pallid Swift
창백한 칼새는 지중해와 중동, 아시아 중부에서 번식하고 아프리카에서 월동합니다. 연한 갈색 깃털과 목의 연한 색이 특징이며, 절벽과 건물에서 번식합니다.
Rothschild's Swift
15–16 cm의 중형 칼새로 아르헨티나 북서부·볼리비아 남부의 1,000–3,000m 고도 산지림에 서식. 어두운 그을린 깃털. 삼림 계곡 위를 날며 먹이를 구하는 공중 곤충식성. 폭포 뒤에 둥지를 튼다. 드물고 국지적; 월터 로스차일드의 이름을 따서 명명.