Great Swallow-tailed Swift vs Chestnut-collared Swift
Panyptila sanctihieronymi 比較対象 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Great Swallow-tailed Swift | Chestnut-collared Swift |
|---|---|---|
| 学名 | Panyptila sanctihieronymi | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 36.8 cm (14.5 in) | 26.0 cm (10.2 in) |
| 体重 | 48.416666666666664 g (1.71 oz) | 21.8 g (0.77 oz) |
| 食性 | Catches aerial plankton — tiny midges, gnats, and ballooning spiders — continuously during soaring flight. | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 一腹卵数 | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Great Swallow-tailed Swift
Soft, rippling trill with liquid overtones; easy flowing sequence of mellow notes carrying pleasantly across open sky.
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
Great Swallow-tailed Swift
Found from southern Mexico through Guatemala, Honduras, to Costa Rica. Resident in humid highland forest at 600–2,000 m elevation.
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
保全状況
Great Swallow-tailed Swift
Chestnut-collared Swift
How to Tell Them Apart
Great Swallow-tailed Swift
Black upperparts with white throat and white flanks; bold white rump patch; extremely long deeply forked tail with white outer feather edges; Central American species with the most spectacular forked …
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
Great Swallow-tailed Swift
A large swift (18-20 cm) with an extremely long, deeply forked tail. Dark plumage with a white throat and collar. Found in highland forests from southern Mexico to Honduras. Aerial insectivore, foraging over mountain canyons and pine-oak forests. Uncommon and rarely observed.
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。