Lesser Antillean Swift vs Chestnut-collared Swift
Chaetura martinica ile kıyaslandığında Streptoprocne rutila
Side-by-Side Comparison
| Özellik | Lesser Antillean Swift | Chestnut-collared Swift |
|---|---|---|
| Bilimsel Ad | Chaetura martinica | Streptoprocne rutila |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Apodidae | Apodidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 21,6 cm (8.5 in) | 26,0 cm (10.2 in) |
| Ağırlık | 12,6 g (0.44 oz) | 21,8 g (0.77 oz) |
| Beslenme | 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 … |
| Kuluçka Büyüklüğü | 3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Lesser Antillean Swift only
Hiçbiri
Chestnut-collared Swift only
Hiçbiri
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.
Koruma Durumu
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.