Chestnut-collared Swift vs Antillean Palm Swift
Streptoprocne rutila เปรียบเทียบกับ Tachornis phoenicobia
Side-by-Side Comparison
| คุณสมบัติ | Chestnut-collared Swift | Antillean Palm Swift |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Streptoprocne rutila | Tachornis phoenicobia |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Apodidae | Apodidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 26.0 cm (10.2 in) | 20.4 cm (8.0 in) |
| น้ำหนัก | 21.8 g (0.77 oz) | 10.0 g (0.35 oz) |
| อาหาร | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … | Feeds aerially on tiny insects and spiders, often following weather fronts where aerial plankton concentrates. |
| จำนวนไข่ | 2 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
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Chestnut-collared Swift only
Antillean Palm Swift only
Song & Call Comparison
Chestnut-collared Swift
High, screaming trill; rapid 'scree-scree' in flight; shrill and penetrating; calls over Neotropical mountains and canyon edges; alarm a rapid screeching chatter
Antillean Palm Swift
Rapid, thin twittering with intermittent pauses; light chips strung loosely forming an airy, barely structured vocalisation.
Geographic Range & Migration
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
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.
สถานะการอนุรักษ์
Chestnut-collared Swift
Antillean Palm Swift
How to Tell Them Apart
Chestnut-collared Swift
Dark blackish-brown body with diagnostic rich chestnut collar encircling entire neck; collar bold and complete; underparts slightly paler brown; small swift with striking warm-toned neck band contrasting vividly with dark …
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
Chestnut-collared Swift
A small swift (13-14 cm) found from Mexico through Central America and South America to Bolivia and Brazil. Dark plumage with a distinctive chestnut collar and throat. Aerial insectivore, often foraging in mixed-species swift flocks over forests and highlands.
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.