Chapman's Swift vs Black Spinetail
Chaetura chapmani 比較対象 Telacanthura melanopygia
Side-by-Side Comparison
| 属性 | Chapman's Swift | Black Spinetail |
|---|---|---|
| 学名 | Chaetura chapmani | Telacanthura melanopygia |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 24.6 cm (9.7 in) | 32.4 cm (12.8 in) |
| 体重 | 23.416666666666668 g (0.83 oz) | 52.0 g (1.83 oz) |
| 食性 | Obligate aerial forager; feeds entirely on the wing on small flying insects, midges, and airborne … | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| 一腹卵数 | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chapman's Swift
Quick, bubbling series of soft chips; pleasant liquid twittering with slightly buzzy edges, delivered during aerial display.
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
Geographic Range & Migration
Chapman's Swift
Found in Trinidad and Tobago and northern South America from Colombia and Venezuela south to northeastern Brazil. Resident in lowland forest.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
保全状況
Chapman's Swift
Black Spinetail
How to Tell Them Apart
Chapman's Swift
Small; dark sooty-brown overall; rump slightly paler grey-brown than back; underparts dark brown; short spiny tail; Amazonian species intermediate in plumage between Chimney Swift and Band-rumped Swift; relatively poorly differentiated …
Black Spinetail
Large; entirely black plumage with slight gloss; black rump unlike white-rumped congeners; underparts dark; spiny tail; West African forest species; all-black coloration with no contrasting markings distinguishes it from all …
About These Birds
Chapman's Swift
中米から南米北部・トリニダードの森林に生息する小型アマツバメ（12〜13 cm）。灰色の腰を持つ暗い羽衣。棘状の尾。空中で昆虫を捕食。識別が難しい種。
Black Spinetail
A medium-sized spinetail swift (14-15 cm) of lowland rainforests in West and Central Africa. All-dark plumage. Spine-tipped tail for bracing against tree trunks. Aerial insectivore, foraging above the forest canopy. Nests inside hollow trees. Uncommon and seldom observed.