White-chinned Swift vs White-chested Swift
Cypseloides cryptus مقارنةً بـ Cypseloides lemosi
Side-by-Side Comparison
| السمة | White-chinned Swift | White-chested Swift |
|---|---|---|
| الاسم العلمي | Cypseloides cryptus | Cypseloides lemosi |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Apodidae | Apodidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 27,4 cm (10.8 in) | 30,0 cm (11.8 in) |
| الوزن | 35,95 g (1.27 oz) | 28,400000000000002 g (1.00 oz) |
| النظام الغذائي | Aerial-only diet of small flying insects, winged termites, and drifting spiders caught during continuous flight. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| عدد البيض في الوضع | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-chinned Swift
Soft, buzzy twittering; weak 'tsit-tsit' in flight; calls over Neotropical waterfalls; thin, high-pitched contact notes; soft compared to most swifts; rarely vocal
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
White-chinned Swift
Found from southern Mexico south through Central America and northwestern South America to Bolivia. Nomadic; joins large mixed swift flocks.
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.
حالة الحفاظ
White-chinned Swift
White-chested Swift
How to Tell Them Apart
White-chinned Swift
Uniformly sooty-black plumage with narrow white chin spot; no white rump or other pale markings; large for a Cypseloides; cryptic appearance made identification historically difficult; white chin the sole distinguishing …
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
White-chinned Swift
A medium-sized swift (14-15 cm) of humid lowland and foothill forests from southern Mexico to Peru. Dark sooty-brown plumage with a small white chin patch. Aerial insectivore, feeding over forest canopy and ravines. Nests behind waterfalls. Uncommon and poorly studied.
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.