Whitehead's Swiftlet vs Chestnut-collared Swift
Aerodramus whiteheadi 对比 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Whitehead's Swiftlet | Chestnut-collared Swift |
|---|---|---|
| 学名 | Aerodramus whiteheadi | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Data Deficient | Least Concern |
| 体长 | — | — |
| 翼展 | 27.2 cm (10.7 in) | 26.0 cm (10.2 in) |
| 体重 | 14.0 g (0.49 oz) | 21.8 g (0.77 oz) |
| 食性 | Aerial plankton feeder taking tiny midges, fungus gnats, and ballooning spiders in rapid coursing flights. | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Whitehead's Swiftlet
Thin twittering; 'chip-chip' calls over Borneo highlands; echolocation clicks in cave roosts; data deficient; calls poorly documented from remote Bornean montane habitat
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
Whitehead's Swiftlet
Endemic to the highlands of Borneo at 800–3,000 m. Resident in montane forest on Mount Kinabalu and the Crocker Range.
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
Whitehead's Swiftlet
Chestnut-collared Swift
How to Tell Them Apart
Whitehead's Swiftlet
Small; dark brownish-grey upperparts; pale buff-grey rump band; underparts pale grey-white; forked tail; Philippine endemic from Luzon; data-deficient species differing from Philippine Swiftlet mainly in habitat preference and island range.
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
Whitehead's Swiftlet
一种小型金丝燕（体长11-12厘米），特产于菲律宾吕宋岛北部山区。体羽深色，腰部浅色。属雨燕科（Apodidae），是菲律宾山地的特有种。
Chestnut-collared Swift
栗领雨燕栖息于中美洲和南美洲北部的山地。