Moluccan Swiftlet vs White-collared Swift
Aerodramus infuscatus 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Moluccan Swiftlet | White-collared Swift |
|---|---|---|
| 学名 | Aerodramus infuscatus | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 21.2 cm (8.3 in) | 42.5 cm (16.7 in) |
| 体重 | 15.25 g (0.54 oz) | 106.45 g (3.75 oz) |
| 食性 | Aerial plankton specialist catching tiny flies, gnats, and airborne spiders in tight acrobatic flight. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Moluccan Swiftlet
Thin twittering; soft 'chip-chip' calls over Maluku islands; echolocation clicks in caves; moderate-pitched for swiftlet; colonial roosts noisy with overlapping calls
White-collared Swift
Loud, screaming 'shreee-shreee'; powerful screeching trill; calls from large flocks over mountains; very audible; one of the loudest Neotropical swifts; alarm a harsh rattle
Geographic Range & Migration
Moluccan Swiftlet
Found on the Moluccan islands of Indonesia including Halmahera, Seram, and Ambon. Resident in forest and open habitats. Moluccan endemic.
White-collared Swift
Found from Mexico south through Central America to South America east of the Andes, reaching Bolivia and southern Brazil. Often in large flocks.
保护状况
Moluccan Swiftlet
White-collared Swift
How to Tell Them Apart
Moluccan Swiftlet
Small to medium; dark brown-grey upperparts with pale buff rump band; underparts pale whitish-grey; forked tail; North Moluccan endemic; slightly larger than many congeners with relatively prominent pale rump contrasting …
White-collared Swift
Large; glossy blue-black plumage with bold broad white collar encircling entire neck; collar clean and complete; underparts black; large slightly forked tail; among the most recognisable Neotropical swifts due to …
About These Birds
Moluccan Swiftlet
一种小型金丝燕(体长11厘米),分布于印度尼西亚摩鹿加群岛。体羽深褐色。属雨燕科(Apodidae),空中食虫,在岛屿洞穴中繁殖。
White-collared Swift
白领雨燕广泛分布于拉丁美洲山地,以白色颈环为特征的大型雨燕。