Chestnut-collared Swift vs Mottled Spinetail
Streptoprocne rutila 比較対象 Telacanthura ussheri
Side-by-Side Comparison
| 属性 | Chestnut-collared Swift | Mottled Spinetail |
|---|---|---|
| 学名 | Streptoprocne rutila | Telacanthura ussheri |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 26.0 cm (10.2 in) | 29.1 cm (11.5 in) |
| 体重 | 21.8 g (0.77 oz) | 32.65 g (1.15 oz) |
| 食性 | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … | Aerial diet of small flying insects and spiders; forages at speed over forest and open … |
| 一腹卵数 | 2 | 4 |
| 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
Mottled Spinetail
Harsh, grating screech followed by rapid chattering; loud, raspy trill repeated insistently near colony roost sites.
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.
Mottled Spinetail
Found across sub-Saharan Africa from Gambia east to Ethiopia and south to Zambia. Resident in forest, forest edge, and savanna woodland.
保全状況
Chestnut-collared Swift
Mottled 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 …
Mottled Spinetail
Large spinetail; dark blackish-brown upperparts; white-mottled pale greyish underparts creating distinctively spotted belly; white rump band; spiny tail tips; African forest species with unique mottled underpart pattern among spinetails.
About These Birds
Chestnut-collared Swift
チェストナットカラードスウィフトは中央アメリカと南アメリカ北部の山岳地帯に生息するアマツバメである。
Mottled Spinetail
A medium-sized spinetail swift (14-15 cm) found in tropical forests across sub-Saharan Africa. Dark plumage with white mottling on the throat and belly. Spine-tipped tail for clinging to vertical surfaces. Aerial insectivore. Nests inside hollow trees and palm trunks.