Papuan Spinetail vs White-collared Swift
Mearnsia novaeguineae 비교 대상 Streptoprocne zonaris
Side-by-Side Comparison
| 속성 | Papuan Spinetail | White-collared Swift |
|---|---|---|
| 학명 | Mearnsia novaeguineae | Streptoprocne zonaris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 26.0 cm (10.2 in) | 42.5 cm (16.7 in) |
| 체중 | 34.0 g (1.20 oz) | 106.45 g (3.75 oz) |
| 식성 | 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. |
| 산란 수 | -- | 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.
보전 상태
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
중간 크기의 칼새로 체장 약 15cm이며, 짙은 갈색 또는 검은색 전신에 흰색 허리 반점을 갖는다. 뉴기니 저지대와 구릉지 숲 상공을 날며 곤충을 잡아먹는다. 관심 필요 종이다.
White-collared Swift
A very large swift (20-22 cm, wingspan 45-55 cm) with a bold white collar band, the largest New World swift. Found from Mexico to southern Brazil and the Caribbean. Aerial insectivore, foraging in large, noisy flocks over forests and cities. Nests behind waterfalls and in caves.