White-fronted Swift vs African Palm Swift
Cypseloides storeri compared with Cypsiurus parvus
Side-by-Side Comparison
| Attribute | White-fronted Swift | African Palm Swift |
|---|---|---|
| Scientific Name | Cypseloides storeri | Cypsiurus parvus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Apodidae | Apodidae |
| Conservation Status | Data Deficient | Least Concern |
| Length | — | — |
| Wingspan | 27.4 cm (10.8 in) | 27.2 cm (10.7 in) |
| Weight | 39.25 g (1.38 oz) | 14.38 g (0.51 oz) |
| Diet | Obligate aerial insectivore; takes small flies, beetles, and aerial spiders in swooping fast-flight passes. | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| Clutch Size | -- | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
White-fronted Swift only
None
African Palm Swift only
Song & Call Comparison
White-fronted Swift
Poorly known vocalizations; thin twittering presumed; calls over Mexican montane waterfalls; high-pitched soft chip notes; very rarely documented; data-deficient 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
White-fronted Swift
Endemic to western Mexico from Jalisco to Oaxaca. Resident in forested highlands near canyon streams at 1,000–2,500 m. 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
White-fronted Swift
African Palm Swift
How to Tell Them Apart
White-fronted Swift
Blackish-brown throughout with a prominent white frontal patch on forehead and lores; no other pale markings; slightly paler brownish below; poorly known Mexican endemic known from very few specimens.
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
White-fronted Swift
A medium-sized swift (14 cm) endemic to montane forests of western Mexico at 1,500-3,000 m elevation. Sooty-black plumage with a white forehead patch. Aerial insectivore feeding over forested mountainsides. One of the least known Neotropical swifts. Classified as Vulnerable.
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.