Pallid Swift vs White-rumped Swift

In short

The Pallid Swift and White-rumped Swift can be tricky to differentiate, but the white rump patch of the White-rumped Swift is a key distinguishing feature. Both species share a similar swift-like silhouette, but subtle differences in plumage and behavior can aid identification.

Identification tips

• Look for the white rump patch on the White-rumped Swift, especially in flight.
• Note the overall plumage tone: Pallid Swift is more uniformly brownish-grey.
• Observe the habitat: White-rumped Swifts may be near cliffs or urban areas.
• Consider the company: White-rumped Swifts may join mixed-species flocks.

Size

Both species are similar in size, typical of swifts, with long wings and a streamlined body.

Plumage

The Pallid Swift has a generally uniform brownish-grey plumage, while the White-rumped Swift features a distinctive white rump patch that is visible in flight.

Behaviour

Both species exhibit similar swift flight patterns, characterized by rapid, agile movements. However, the White-rumped Swift may be more likely to be seen in mixed-species flocks.

Habitat

Both species can be found in open skies over a variety of habitats, but the White-rumped Swift is more often associated with areas near cliffs or buildings where it nests.

Voice

Vocalizations are not the most reliable for distinguishing these two species, as both have similar high-pitched calls typical of swifts.