Mayr's Swiftlet vs Alpine Swift
Aerodramus orientalis 比較対象 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Mayr's Swiftlet | Alpine Swift |
|---|---|---|
| 学名 | Aerodramus orientalis | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Data Deficient | Least Concern |
| 体長 | — | — |
| 翼開長 | 25.0 cm (9.8 in) | 43.9 cm (17.3 in) |
| 体重 | 13.3 g (0.47 oz) | 97.5 g (3.44 oz) |
| 食性 | Feeds aerially on tiny flying insects and drifting spiders; often forages in mixed-species flocks over … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 一腹卵数 | -- | 1-4 |
| 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
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
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.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
保全状況
Mayr's Swiftlet
Alpine 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 …
Alpine Swift
Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …
About These Birds
Mayr's Swiftlet
モルッカアナツバメはモルッカ諸島と周辺島嶼に生息する固有のアナツバメである。
Alpine Swift
アルプスアマツバメはヨーロッパの山岳地帯と岩壁に繁殖し、白い腹と大きな体が特徴的な長距離渡り鳥である。