Caroline Swiftlet vs White-chested Swift
Aerodramus inquietus comparado con Cypseloides lemosi
Side-by-Side Comparison
| Atributo | Caroline Swiftlet | White-chested Swift |
|---|---|---|
| Nombre científico | Aerodramus inquietus | Cypseloides lemosi |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Apodidae | Apodidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 22,8 cm (9.0 in) | 30,0 cm (11.8 in) |
| Peso | 11,0 g (0.39 oz) | 28,400000000000002 g (1.00 oz) |
| Dieta | Feeds on aerial plankton including tiny flies and spiders; forages in large noisy flocks above … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| Tamaño de la puesta | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Caroline Swiftlet
Thin twittering calls; 'tsit-tsit' over Caroline Islands; echolocation clicks in cave roosts; moderate-pitched for swiftlet; produces soft chattering at colonial nesting sites
White-chested Swift
High, thin twittering; soft 'tsit' calls in flight; calls over Colombian waterfalls; very poorly known; thin, reedy contact notes; one of most rarely documented swifts
Geographic Range & Migration
Caroline Swiftlet
Found across the Caroline Islands of Micronesia including Pohnpei and Chuuk. Resident in lowland forest and cave systems.
White-chested Swift
Known from Colombia and adjacent Ecuador. One of the world's rarest swifts; recorded at waterfalls in humid forest foothills at 500–1,200 m.
Estado de conservación
Caroline Swiftlet
White-chested Swift
How to Tell Them Apart
Caroline Swiftlet
Small; dark grey-brown upperparts; pale buff rump band; underparts pale greyish-white; forked tail; Micronesian endemic from Caroline Islands; very similar to Palau Swiftlet but distributed on a distinct island group.
White-chested Swift
Black upperparts and wings; distinctive large white chest patch contrasting sharply with black throat and belly; white confined to central breast; Colombian endemic with unique bold bicoloured plumage unlike any …
About These Birds
Caroline Swiftlet
El vencejo de las Carolinas habita en las islas Carolinas, Micronesia. Usa la ecolocalización para orientarse en cuevas oscuras. Con distribución restringida, está amenazado por los tifones y los depredadores. Familia Apodidae.
White-chested Swift
A medium-sized swift (14-15 cm) endemic to the upper Cauca Valley of Colombia. Sooty-black plumage with a white breast patch. Aerial insectivore of subtropical forests. Classified as Endangered due to extremely restricted range and ongoing habitat loss.