Pacific Swallow vs Red-rumped Swallow

In short

The Pacific Swallow (Hirundo javanica) and the Red-rumped Swallow (Cecropis daurica) can be distinguished by their tail and rump features. The Pacific Swallow has a shorter, less forked tail and lacks the distinctive red rump of the Red-rumped Swallow.

Identification tips

1. Look for the red rump on the Red-rumped Swallow, absent in the Pacific Swallow. 2. Check the tail shape: Red-rumped Swallow has a more deeply forked tail. 3. Observe the upperparts: Pacific Swallow's are more uniformly blue-black. 4. Consider the habitat: Pacific Swallow is more likely near water and human areas, while Red-rumped Swallow prefers open country.

Size

Both species are similar in size, but the Red-rumped Swallow may appear slightly larger due to its longer tail.

Plumage

The Pacific Swallow has a blue-black upperparts with a less distinct rump, while the Red-rumped Swallow features a prominent reddish-brown rump and a more pronounced forked tail.

Behaviour

Both species exhibit similar aerial feeding behaviors, often seen catching insects in flight. They may also be observed perching on wires or branches.

Habitat

Pacific Swallows are often found near water bodies, open fields, and human settlements. Red-rumped Swallows prefer open country and are often seen near cliffs or buildings where they nest.

Voice

Vocalizations are not the most reliable distinguishing feature, as both species have similar calls consisting of soft twittering notes.