Himalayan Swiftlet vs White-chested Swift
Aerodramus brevirostris comparado con Cypseloides lemosi
Side-by-Side Comparison
| Atributo | Himalayan Swiftlet | White-chested Swift |
|---|---|---|
| Nombre científico | Aerodramus brevirostris | Cypseloides lemosi |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Apodidae | Apodidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 24,6 cm (9.7 in) | 30,0 cm (11.8 in) |
| Peso | 12,65 g (0.45 oz) | 28,400000000000002 g (1.00 oz) |
| Dieta | Small aerial insectivore feeding on minute flying insects and spiders; forages over forest canopy and … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| Tamaño de la puesta | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Himalayan Swiftlet
Thin twittering calls; 'chip-chip' over Himalayan valleys; audible echolocation clicks in caves; moderate-pitched; colonial roosts produce chattering; calls in swift flocks at dusk
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
Himalayan Swiftlet
Breeds in the Himalayas from India to southern China and Indochina. Partially migratory, wintering south to peninsular India and Southeast Asia.
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
Himalayan Swiftlet
White-chested Swift
How to Tell Them Apart
Himalayan Swiftlet
Small; dark grey-brown upperparts with faint gloss; pale grey rump band; underparts whitish-grey; forked tail; Himalayan and Southeast Asian highlands species; slightly browner than Black-nest Swiftlet with proportionally narrower rump …
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
Himalayan Swiftlet
El vencejo himalayo es una especie de distribución amplia de los bosques montanos de Asia. Produce ultrasonidos para orientarse dentro de sus lugares de nidificación en cuevas. 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.