Grey-rumped Swift vs Band-rumped Swift

In short

The Grey-rumped Swift and Band-rumped Swift can be distinguished by their rump coloration and body shape. The Grey-rumped Swift has a large grey rump patch, while the Band-rumped Swift features a narrow, often bright white rump band. The Band-rumped Swift also has a more rakish, narrow-bodied shape.

Identification tips

1. Look for the rump coloration: Grey-rumped Swifts have a large grey patch, while Band-rumped Swifts have a narrow white band. 2. Observe the body shape: Band-rumped Swifts are more slender and rakish. 3. Consider the habitat: Grey-rumped Swifts prefer forested areas, whereas Band-rumped Swifts are often seen over water. 4. Note the feeding behavior: Band-rumped Swifts frequently join mixed-species flocks.

Size

Both species are similar in size, but the Band-rumped Swift appears more slender and narrow-bodied.

Plumage

The Grey-rumped Swift has a large grey rump patch and a pale throat, whereas the Band-rumped Swift has a narrow white rump band that can sometimes appear greyish in certain subspecies.

Behaviour

The Band-rumped Swift often feeds over water and joins mixed-species flocks, while the Grey-rumped Swift is more commonly found over forested habitats.

Habitat

Grey-rumped Swifts are typically found in lowland and foothill forests, often nesting in chimneys or similar structures. Band-rumped Swifts are more widespread and can be found up to 1500 m, often near water.