Sabine's Spinetail vs White-collared Swift
Rhaphidura sabini 比較対象 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Sabine's Spinetail | White-collared Swift |
|---|---|---|
| 学名 | Rhaphidura sabini | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 24.7 cm (9.7 in) | 42.5 cm (16.7 in) |
| 体重 | 17.75 g (0.63 oz) | 106.45 g (3.75 oz) |
| 食性 | Aerial insectivore feeding on tiny flies, beetles, and ballooning spiders in rapid powerful aerial pursuit. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 一腹卵数 | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
共通生息地
Sabine's Spinetail only
White-collared Swift only
None
Song & Call Comparison
Sabine's Spinetail
Faint, needle-thin whistle tapering at the end; soft twittering interspersed with clicking flight notes, barely audible.
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
Sabine's Spinetail
Found in West and Central Africa from Sierra Leone east to the DRC and Uganda. Resident in lowland rainforest and forest edge.
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.
保全状況
Sabine's Spinetail
White-collared Swift
How to Tell Them Apart
Sabine's Spinetail
Small; dark blackish-brown upperparts; white rump patch; underparts pale grey-white; short spiny tail; West African rainforest species; closely resembles Silver-rumped Spinetail but purer white rump with less silvery sheen.
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
Sabine's Spinetail
A small spinetail swift (11-12 cm) of lowland forests across West and Central Africa. Dark plumage with a white rump patch. Spine-tipped tail. Aerial insectivore, often seen foraging over forest canopy in mixed-species swift flocks. Nests in hollow trees.
White-collared Swift
ホワイトカラードスウィフトはラテンアメリカ全域の山岳地帯に広く分布し、白い首輪が特徴的な大型のアマツバメである。