Mountain Swiftlet vs Pallid Swift
Aerodramus hirundinaceus 비교 대상 Apus pallidus
Side-by-Side Comparison
| 속성 | Mountain Swiftlet | Pallid Swift |
|---|---|---|
| 학명 | Aerodramus hirundinaceus | Apus pallidus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 23.0 cm (9.1 in) | 33.4 cm (13.1 in) |
| 체중 | 9.700000000000001 g (0.34 oz) | 42.25 g (1.49 oz) |
| 식성 | Entirely airborne insectivore; feeds on minute flying insects and web-dispersing spiders over open habitats. | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. |
| 산란 수 | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mountain Swiftlet
High, thin twittering; 'tsit-tsit' over New Guinea highlands; echolocation clicks used in cave roosts; calls weakly in flight; colonial; flock calls produce soft chittering
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Geographic Range & Migration
Mountain Swiftlet
Found in montane New Guinea at 1,200–3,900 m. Resident in montane rainforest, moss forest, and subalpine grassland. Common in highlands.
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
보전 상태
Mountain Swiftlet
Pallid Swift
How to Tell Them Apart
Mountain Swiftlet
Small; dark blackish-grey upperparts; pale grey rump band; underparts pale greyish-white; forked tail; New Guinea montane endemic; similar to White-rumped Swiftlet but greyer overall and restricted to high-altitude zones.
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 …
About These Birds
Mountain Swiftlet
해발 1,500~3,800m 뉴기니 고산 지역에 서식하는 작은 칼새류(10~11cm). 짙은 깃털. 공중 식충성이다.
Pallid Swift
창백한 칼새는 지중해와 중동, 아시아 중부에서 번식하고 아프리카에서 월동합니다. 연한 갈색 깃털과 목의 연한 색이 특징이며, 절벽과 건물에서 번식합니다.