White-chested Swift vs Waterfall Swift
Cypseloides lemosi comparé à Hydrochous gigas
Side-by-Side Comparison
| Attribut | White-chested Swift | Waterfall Swift |
|---|---|---|
| Nom scientifique | Cypseloides lemosi | Hydrochous gigas |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Apodidae | Apodidae |
| Statut de conservation | Least Concern | Near Threatened |
| Longueur | — | — |
| Envergure | 30,0 cm (11.8 in) | 29,2 cm (11.5 in) |
| Poids | 28,400000000000002 g (1.00 oz) | 38,540000000000006 g (1.36 oz) |
| Régime alimentaire | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Obligate aerial forager; feeds entirely on the wing on small flying insects, midges, and airborne … |
| Taille de la couvée | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Waterfall Swift
Rapid, high-pitched twittering; sharp 'tsit-tsit' calls over Southeast Asian waterfalls; thin metallic notes; nest behind waterfalls; calls audible over roaring water
Geographic Range & Migration
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.
Waterfall Swift
Found from southern Thailand through the Thai-Malay Peninsula to Sumatra and Borneo. Restricted to rivers near waterfalls. Scarce.
Statut de conservation
White-chested Swift
Waterfall Swift
How to Tell Them Apart
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 …
Waterfall Swift
Blackish-brown upperparts with slight gloss; grey-brown underparts paler than back; pale grey-white chin and throat; no rump patch; robust-bodied and large; Southeast Asian waterfall specialist with uniformly dark plumage and …
About These Birds
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.
Waterfall Swift
A large swift (16-17 cm) endemic to the Malay Peninsula, Sumatra, and Borneo. Dark plumage. Aerial insectivore, foraging over forested rivers and near waterfalls. Nests behind large waterfalls, where the name derives. One of the least known Asian swifts.