Edible-nest Swiftlet vs Chestnut-collared Swift
Aerodramus fuciphagus 对比 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 |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 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 … |
| 产卵数 | 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.
保护状况
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
一种中型金丝燕（体长12-13厘米），分布于安达曼-尼科巴群岛至东南亚及菲律宾。属雨燕科（Apodidae），用纯唾液筑巢，是名贵"燕窝"的主要来源之一，具有重要的商业价值。
Chestnut-collared Swift
栗领雨燕栖息于中美洲和南美洲北部的山地。