Lesser Antillean Swift vs Chestnut-collared Swift
Chaetura martinica so với Streptoprocne rutila
Side-by-Side Comparison
| Thuộc Tính | Lesser Antillean Swift | Chestnut-collared Swift |
|---|---|---|
| Tên Khoa Học | Chaetura martinica | Streptoprocne rutila |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 21,6 cm (8.5 in) | 26,0 cm (10.2 in) |
| Khối Lượng | 12,6 g (0.44 oz) | 21,8 g (0.77 oz) |
| Chế Độ Ăn | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| Số Trứng | 3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Lesser Antillean Swift
Sharp, high-pitched squeaking in rapid succession; excited twittering with melodic inflection rising near breeding colony.
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
Geographic Range & Migration
Lesser Antillean Swift
Found in the Lesser Antilles from Guadeloupe and Dominica south to St. Vincent and Grenada. Resident in forest and open areas.
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
Tình Trạng Bảo Tồn
Lesser Antillean Swift
Chestnut-collared Swift
How to Tell Them Apart
Lesser Antillean Swift
Small; dark sooty-brown overall; pale grey-brown rump slightly paler than back; underparts grey-brown; short spiny tail; Lesser Antilles endemic; very similar to Chapman's Swift but smaller and island-restricted with subtly …
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 …
About These Birds
Lesser Antillean Swift
A small swift (11 cm) endemic to the Lesser Antilles of the Caribbean. Dark plumage with a grey rump. Spine-tipped tail. Aerial insectivore, foraging over forested mountains and volcanic peaks. Found on Dominica, Martinique, Guadeloupe, and St. Lucia.
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.