Chapman's Swift vs Black Spinetail
Chaetura chapmani в сравнении с Telacanthura melanopygia
Side-by-Side Comparison
| Характеристика | Chapman's Swift | Black Spinetail |
|---|---|---|
| Научное название | Chaetura chapmani | Telacanthura melanopygia |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Apodidae | Apodidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 24,6 cm (9.7 in) | 32,4 cm (12.8 in) |
| Масса | 23,416666666666668 g (0.83 oz) | 52,0 g (1.83 oz) |
| Питание | 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. |
| Размер кладки | 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.
Охранный статус
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
A small swift (12-13 cm) found in forests from Central America through northern South America to Trinidad. Dark plumage with a grey rump. Spine-tipped tail. Aerial insectivore. Difficult to distinguish from other Chaetura swifts in the field. Poorly studied.
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.