Chimney Swift vs White-chested Swift
Chaetura pelagica verglichen mit Cypseloides lemosi
Side-by-Side Comparison
| Merkmal | Chimney Swift | White-chested Swift |
|---|---|---|
| Wissenschaftlicher Name | Chaetura pelagica | Cypseloides lemosi |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Apodidae | Apodidae |
| Erhaltungsstatus | Vulnerable | Least Concern |
| Länge | — | — |
| Flügelspannweite | 24,9 cm (9.8 in) | 30,0 cm (11.8 in) |
| Gewicht | 22,666666666666668 g (0.80 oz) | 28,400000000000002 g (1.00 oz) |
| Ernährung | Aerial forager on tiny insects and wind-dispersed spiders; forages near water surfaces where insects concentrate. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| Gelegegröße | 2-7 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chimney Swift
Rapid, liquid twittering with bright cheerful quality; chi-chi-chi staccato notes carrying well across open sky 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
Chimney Swift
Breeds in eastern North America from Canada south to Texas. Long-distance migrant wintering in the upper Amazon basin of Peru and Brazil.
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
Chimney Swift
White-chested Swift
How to Tell Them Apart
Chimney Swift
Small; uniformly dark sooty-grey overall with slightly paler grey throat and chin; no contrasting rump patch; short spiny tail; sexes identical; North American chimney-nesting species famous for its swirling pre-roost …
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
Chimney Swift
A medium-sized swift (12-15 cm) famous for roosting and nesting inside chimneys across eastern North America. Dark grey-brown plumage with a cigar-shaped body and short, spine-tipped tail. Aerial insectivore catching flying insects. Long-distance migrant wintering in northwestern South America.
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.