Southern Swift vs White-chested Swift
Chaetura meridionalis comparado con Cypseloides lemosi
Side-by-Side Comparison
| Atributo | Southern Swift | White-chested Swift |
|---|---|---|
| Nombre científico | Chaetura meridionalis | Cypseloides lemosi |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Apodidae | Apodidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 26,3 cm (10.4 in) | 30,0 cm (11.8 in) |
| Peso | 19,8 g (0.70 oz) | 28,400000000000002 g (1.00 oz) |
| Dieta | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| Tamaño de la puesta | 3-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Southern Swift
Faint, thin squealing trill; rapid metallic chips cascading high-pitched over coastal forest, almost ventriloquial in quality.
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
Southern Swift
Found in southern South America from Brazil to Argentina. Migratory, moving north to Amazonia during the austral winter. Open areas and forest.
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
Southern Swift
White-chested Swift
How to Tell Them Apart
Southern Swift
Small; dark sooty-brown overall; pale grey rump band moderately contrasting with dark back; underparts dark grey-brown; short spiny tail; southern South American migratory species; closely resembles Ashy-tailed Swift but 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
Southern Swift
Vencejo del sur (Chaetura meridionalis), 11–12 cm. Plumaje pardo-negruzco; rabadilla gris clara contrastante. Cola corta. Habita en América del Sur (Brasil, Paraguay, Argentina). Migrador parcial. Vuela en grupos. A menudo confundido con el vencejo de cola corta; se distingue por la rabadilla más pálida.
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.