Horus Swift vs White-chested Swift
Apus horus so với Cypseloides lemosi
Side-by-Side Comparison
| Thuộc Tính | Horus Swift | White-chested Swift |
|---|---|---|
| Tên Khoa Học | Apus horus | Cypseloides lemosi |
| 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) | 30,0 cm (11.8 in) |
| Khối Lượng | 27,5 g (0.97 oz) | 28,400000000000002 g (1.00 oz) |
| Chế Độ Ăn | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| Số Trứng | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Horus Swift
Sharp, buzzy chip followed by short descending whistle; compact two-part call repeated persistently from elevated perch.
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
Geographic Range & Migration
Horus Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. Resident in woodland and grassland near rivers.
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.
Tình Trạng Bảo Tồn
Horus Swift
White-chested Swift
How to Tell Them Apart
Horus Swift
Dark sooty-brown; large white rump patch; white throat; pale flanks creating partial white underpart; square-ended tail; African species; compared to Little Swift, paler flanks give a more extensively white underpart …
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 …
About These Birds
Horus Swift
A small swift (12-13 cm) found in sub-Saharan Africa and parts of the Middle East. Dark plumage with a white rump and throat. Aerial insectivore. Colonial nester on cliffs and buildings. Often nests in old swallow nests. Named after the Egyptian god Horus.
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.