Papuan Spinetail vs White-collared Swift
Mearnsia novaeguineae 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Papuan Spinetail | White-collared Swift |
|---|---|---|
| 学名 | Mearnsia novaeguineae | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 26.0 cm (10.2 in) | 42.5 cm (16.7 in) |
| 体重 | 34.0 g (1.20 oz) | 106.45 g (3.75 oz) |
| 食性 | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained 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
Papuan Spinetail
Rapid buzzy twittering; sharp 'tsit-tsit-tsit' in low speedy flight; calls in tight flocks over New Guinea forest and rivers; wings produce audible whirring sound in fast flight
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
Papuan Spinetail
Found in New Guinea from the northern coast to central ranges. Resident in lowland and hill forest along rivers and forest edge up to 1,500 m.
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
Papuan Spinetail
White-collared Swift
How to Tell Them Apart
Papuan Spinetail
Dark blackish-brown upperparts; paler brownish-grey underparts; pale chin; short spiny tail with projecting shaft tips; New Guinea species; larger than Philippine Spinetail with broader wings relative to body; robust spinetail …
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
Papuan Spinetail
A large spinetail swift (12-14 cm) found in New Guinea and nearby islands. Dark plumage with spine-tipped tail feathers used for bracing against vertical surfaces. Aerial insectivore, foraging over forest. Nests in tree hollows. Limited ecological data.
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。