Mayr's Swiftlet vs African Palm Swift
Aerodramus orientalis 비교 대상 Cypsiurus parvus
Side-by-Side Comparison
| 속성 | Mayr's Swiftlet | African Palm Swift |
|---|---|---|
| 학명 | Aerodramus orientalis | Cypsiurus parvus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Data Deficient | Least Concern |
| 체장 | — | — |
| 날개 폭 | 25.0 cm (9.8 in) | 27.2 cm (10.7 in) |
| 체중 | 13.3 g (0.47 oz) | 14.38 g (0.51 oz) |
| 식성 | Feeds aerially on tiny flying insects and drifting spiders; often forages in mixed-species flocks over … | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 산란 수 | -- | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mayr's Swiftlet
Thin twittering calls; 'tsit-tsit' notes; echolocation clicks used in caves; data deficient species from Melanesia; poorly documented; calls indistinguishable from related species
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Mayr's Swiftlet
Found in the mountains of New Guinea (Jayawijaya and Saruwaged ranges) at 1,500–3,400 m. Resident in montane forest. Poorly known.
African Palm Swift
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common in open areas near palms; nests in palm leaves.
보전 상태
Mayr's Swiftlet
African Palm Swift
How to Tell Them Apart
Mayr's Swiftlet
Small; dark brownish-grey upperparts with slight gloss; pale grey rump band; underparts pale whitish-grey; forked tail; Eastern Melanesian swiftlet; closely resembles Uniform Swiftlet but differs in rump contrast and geographic …
African Palm Swift
Slender and long-tailed; uniformly pale greyish-brown overall; underparts paler grey-buff; long deeply forked tail; pale uniform appearance with no contrasting markings; widespread African palm-nesting swift with distinctive slender silhouette.
About These Birds
Mayr's Swiftlet
뉴기니와 인접 섬들에 서식하는 작은 칼새류(10~11cm). 어두운 깃털. 공중 식충성이다.
African Palm Swift
길고 좁은 날개와 깊이 갈라진 꼬리를 가진 15–17 cm의 가는 칼새. 어두운 갈색 깃털. 사바나와 개방 삼림의 야자나무와 밀접하게 연관되어 사하라 이남 아프리카 전역에 분포. 공중 곤충식성. 아프리카에서 가장 풍부한 칼새 중 하나.