Mayr's Swiftlet vs African Palm Swift
Aerodramus orientalis compared with Cypsiurus parvus
Side-by-Side Comparison
| Attribute | Mayr's Swiftlet | African Palm Swift |
|---|---|---|
| Scientific Name | Aerodramus orientalis | Cypsiurus parvus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Apodidae | Apodidae |
| Conservation Status | Data Deficient | Least Concern |
| Length | — | — |
| Wingspan | 25.0 cm (9.8 in) | 27.2 cm (10.7 in) |
| Weight | 13.3 g (0.47 oz) | 14.38 g (0.51 oz) |
| Diet | Feeds aerially on tiny flying insects and drifting spiders; often forages in mixed-species flocks over … | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| Clutch Size | -- | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mayr's Swiftlet
Thin twittering calls; 'tsit-tsit' notes; echolocation clicks used in caves; data deficient species from Melanesia; poorly documented; calls indistinguishable from related species
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Mayr's Swiftlet
Found in the mountains of New Guinea (Jayawijaya and Saruwaged ranges) at 1,500–3,400 m. Resident in montane forest. Poorly known.
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.
Conservation Status
Mayr's Swiftlet
African Palm Swift
How to Tell Them Apart
Mayr's Swiftlet
Small; dark brownish-grey upperparts with slight gloss; pale grey rump band; underparts pale whitish-grey; forked tail; Eastern Melanesian swiftlet; closely resembles Uniform Swiftlet but differs in rump contrast and geographic …
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
Mayr's Swiftlet
A small swiftlet (10-11 cm) found in New Guinea and adjacent islands. Dark plumage. Aerial insectivore. Colonial cave nester using echolocation. Named after Ernst Mayr. Taxonomy has been revised repeatedly. Limited ecological data available.
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.