White-chested Swift vs Mottled Swift
Cypseloides lemosi so với Tachymarptis aequatorialis
Side-by-Side Comparison
| Thuộc Tính | White-chested Swift | Mottled Swift |
|---|---|---|
| Tên Khoa Học | Cypseloides lemosi | Tachymarptis aequatorialis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 30,0 cm (11.8 in) | 41,5 cm (16.3 in) |
| Khối Lượng | 28,400000000000002 g (1.00 oz) | 94,0 g (3.32 oz) |
| Chế Độ Ăn | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| Số Trứng | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-chested Swift
High, thin twittering; soft 'tsit' calls in flight; calls over Colombian waterfalls; very poorly known; thin, reedy contact notes; one of most rarely documented swifts
Mottled Swift
Rough, coarse chatter with scratchy texture; bursts of harsh notes blending into continuous buzzy trill near nesting cliffs.
Geographic Range & Migration
White-chested Swift
Known from Colombia and adjacent Ecuador. One of the world's rarest swifts; recorded at waterfalls in humid forest foothills at 500–1,200 m.
Mottled Swift
Found across equatorial Africa from Guinea east to Ethiopia and south to Zambia. Resident in highland forests and rocky cliffs at 900–3,400 m.
Tình Trạng Bảo Tồn
White-chested Swift
Mottled Swift
How to Tell Them Apart
White-chested Swift
Black upperparts and wings; distinctive large white chest patch contrasting sharply with black throat and belly; white confined to central breast; Colombian endemic with unique bold bicoloured plumage unlike any …
Mottled Swift
Large; dark brown upperparts; mottled white and brown underparts with white scales on each feather creating scaled appearance; pale throat; African montane species closely related to Alpine Swift but with …
About These Birds
White-chested Swift
A medium-sized swift (14-15 cm) endemic to the upper Cauca Valley of Colombia. Sooty-black plumage with a white breast patch. Aerial insectivore of subtropical forests. Classified as Endangered due to extremely restricted range and ongoing habitat loss.
Mottled Swift
A large swift (20-22 cm) found in montane regions of eastern and southern Africa, typically at 1,500-3,000 m elevation. Dark plumage with mottled white underparts and throat. Aerial insectivore. Often seen in large flocks soaring over mountain escarpments and gorges.