Mountain Swiftlet vs African Palm Swift
Aerodramus hirundinaceus comparado con Cypsiurus parvus
Side-by-Side Comparison
| Atributo | Mountain Swiftlet | African Palm Swift |
|---|---|---|
| Nombre científico | Aerodramus hirundinaceus | Cypsiurus parvus |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Apodidae | Apodidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 23,0 cm (9.1 in) | 27,2 cm (10.7 in) |
| Peso | 9,700000000000001 g (0.34 oz) | 14,38 g (0.51 oz) |
| Dieta | Entirely airborne insectivore; feeds on minute flying insects and web-dispersing spiders over open habitats. | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| Tamaño de la puesta | 1 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Mountain Swiftlet only
Ninguno
African Palm Swift only
Song & Call Comparison
Mountain Swiftlet
High, thin twittering; 'tsit-tsit' over New Guinea highlands; echolocation clicks used in cave roosts; calls weakly in flight; colonial; flock calls produce soft chittering
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Mountain Swiftlet
Found in montane New Guinea at 1,200–3,900 m. Resident in montane rainforest, moss forest, and subalpine grassland. Common in highlands.
African Palm Swift
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common in open areas near palms; nests in palm leaves.
Estado de conservación
Mountain Swiftlet
African Palm Swift
How to Tell Them Apart
Mountain Swiftlet
Small; dark blackish-grey upperparts; pale grey rump band; underparts pale greyish-white; forked tail; New Guinea montane endemic; similar to White-rumped Swiftlet but greyer overall and restricted to high-altitude zones.
African Palm Swift
Slender and long-tailed; uniformly pale greyish-brown overall; underparts paler grey-buff; long deeply forked tail; pale uniform appearance with no contrasting markings; widespread African palm-nesting swift with distinctive slender silhouette.
About These Birds
Mountain Swiftlet
El vencejo de las montañas de Nueva Guinea habita en los bosques montanos de la isla de Nueva Guinea. Nidifica en cuevas y acantilados. Familia Apodidae.
African Palm Swift
A slender swift (15-17 cm) with long, narrow wings and a deeply forked tail. Dark brown plumage. Found across sub-Saharan Africa in savanna and open woodland, closely associated with palm trees. Aerial insectivore. One of Africa's most abundant swift species.