Chestnut-collared Swift vs Madagascar Spinetail
Streptoprocne rutila เปรียบเทียบกับ Zoonavena grandidieri
Side-by-Side Comparison
| คุณสมบัติ | Chestnut-collared Swift | Madagascar Spinetail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Streptoprocne rutila | Zoonavena grandidieri |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Apodidae | Apodidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 26.0 cm (10.2 in) | 24.9 cm (9.8 in) |
| น้ำหนัก | 21.8 g (0.77 oz) | 9.25 g (0.33 oz) |
| อาหาร | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … | Obligate aerial forager on small insects and airborne spiders; among the fastest-flying of all swift … |
| จำนวนไข่ | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
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
Madagascar Spinetail
Rapid, high-pitched chittering calls in flight; thin, insect-like trilling notes delivered in quick bursts above forest canopy.
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.
Madagascar Spinetail
Endemic to Madagascar. Resident in forest edge and open areas across the island. Nests in hollow palms and rock crevices.
สถานะการอนุรักษ์
Chestnut-collared Swift
Madagascar Spinetail
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 …
Madagascar Spinetail
Tiny; dark brown-black upperparts; contrasting white rump patch; underparts pale whitish; short spiny tail; Malagasy endemic; white rump is the most diagnostic feature, recalling swiftlets but with characteristic spinetail tail …
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.
Madagascar Spinetail
A medium-sized spinetail swift (12-13 cm) endemic to Madagascar. Dark plumage with a pale rump and short, spine-tipped tail. Aerial insectivore, foraging over forest and woodland. Nests in tree hollows. Found throughout Madagascar's remaining forested areas.