Edible-nest Swiftlet vs Chestnut-collared Swift
Aerodramus fuciphagus 比較対象 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Edible-nest Swiftlet | Chestnut-collared Swift |
|---|---|---|
| 学名 | Aerodramus fuciphagus | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 22.6 cm (8.9 in) | 26.0 cm (10.2 in) |
| 体重 | 13.040000000000001 g (0.46 oz) | 21.8 g (0.77 oz) |
| 食性 | Obligate aerial insectivore; catches minute flies, beetles, and aerial spiders while foraging near cave roosts. | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 一腹卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Edible-nest Swiftlet
Rapid twittering; 'chip-chip-chip' over Southeast Asian coast; strong echolocation clicks distinctive in cave roosts; colonial nester; calls produce audible clicking chorus in caves
Chestnut-collared Swift
High, screaming trill; rapid 'scree-scree' in flight; shrill and penetrating; calls over Neotropical mountains and canyon edges; alarm a rapid screeching chatter
Geographic Range & Migration
Edible-nest Swiftlet
Found from the Andaman Islands east through Southeast Asia to Borneo and the Philippines. Produces edible nests used in bird's nest soup.
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
保全状況
Edible-nest Swiftlet
Chestnut-collared Swift
How to Tell Them Apart
Edible-nest Swiftlet
Small; dark grey-brown upperparts; pale buff-grey rump band; underparts pale whitish-grey; forked tail; Southeast Asian species prized for white saliva nests used in bird's nest soup; plumage unremarkable but economically …
Chestnut-collared Swift
Dark blackish-brown body with diagnostic rich chestnut collar encircling entire neck; collar bold and complete; underparts slightly paler brown; small swift with striking warm-toned neck band contrasting vividly with dark …
About These Birds
Edible-nest Swiftlet
ナンヨウアナツバメは東南アジア全域に分布し、唾液のみで作った白い巣がツバメの巣として食用に供される。
Chestnut-collared Swift
チェストナットカラードスウィフトは中央アメリカと南アメリカ北部の山岳地帯に生息するアマツバメである。