White-chested Swift vs Antillean Palm Swift
Cypseloides lemosi so với Tachornis phoenicobia
Side-by-Side Comparison
| Thuộc Tính | White-chested Swift | Antillean Palm Swift |
|---|---|---|
| Tên Khoa Học | Cypseloides lemosi | Tachornis phoenicobia |
| 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) | 20,4 cm (8.0 in) |
| Khối Lượng | 28,400000000000002 g (1.00 oz) | 10,0 g (0.35 oz) |
| Chế Độ Ăn | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Feeds aerially on tiny insects and spiders, often following weather fronts where aerial plankton concentrates. |
| Số Trứng | -- | 2-5 |
| 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
Antillean Palm Swift
Rapid, thin twittering with intermittent pauses; light chips strung loosely forming an airy, barely structured vocalisation.
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.
Antillean Palm Swift
Found in Cuba, Hispaniola, Jamaica, and Puerto Rico. Resident in open areas near palms; nests inside hanging palm fronds in the Caribbean.
Tình Trạng Bảo Tồn
White-chested Swift
Antillean Palm 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 …
Antillean Palm Swift
Tiny; dark brown-black upperparts; white rump contrasting with dark back; underparts white with dark breast band; dark brown flanks and sides; deeply forked tail; Caribbean endemic with striking white rump …
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.
Antillean Palm Swift
A small swift (10-11 cm) endemic to the Greater Antilles (Cuba, Jamaica, Hispaniola). Dark plumage with a white rump. Long, deeply forked tail. Aerial insectivore, closely associated with royal palms (Roystonea), nesting inside hanging dead palm fronds.