Grey-rumped Swift vs White-chested Swift
Chaetura cinereiventris verglichen mit Cypseloides lemosi
Side-by-Side Comparison
| Merkmal | Grey-rumped Swift | White-chested Swift |
|---|---|---|
| Wissenschaftlicher Name | Chaetura cinereiventris | Cypseloides lemosi |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Apodidae | Apodidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 20,9 cm (8.2 in) | 30,0 cm (11.8 in) |
| Gewicht | 16,15 g (0.57 oz) | 28,400000000000002 g (1.00 oz) |
| Ernährung | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| Gelegegröße | 2-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Grey-rumped Swift
Soft, rippling trill with gentle buzzy overtones; light aerial call carrying a faint liquid quality on calm mornings.
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
Grey-rumped Swift
Found from Nicaragua south through Central America and northwestern South America to Bolivia and Brazil. Resident in lowland forest and edge.
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.
Erhaltungsstatus
Grey-rumped Swift
White-chested Swift
How to Tell Them Apart
Grey-rumped Swift
Small; dark blackish-brown upperparts; pale grey rump contrasting with dark back; underparts dark grey-brown; short spiny tail; Neotropical species with the grey rump as key field mark; widespread from Caribbean …
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
Grey-rumped Swift
A medium-sized swift (11-12 cm) found in humid forests from Central America to southern Brazil. Dark grey plumage with a contrasting pale grey rump band. Short, spine-tipped tail. Aerial insectivore, foraging over forest canopy. Nests behind waterfalls and in caves.
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.