Barn Swallow vs Cliff Swallow
Hirundo rustica versus Petrochelidon pyrrhonota
Play a quiz with Barn Swallow and Cliff Swallow
Barn Swallow
Cliff Swallow
In short
Barn Swallows and Cliff Swallows can be distinguished primarily by their tail shape and facial markings. Barn Swallows have a deeply forked tail and a rufous-chestnut throat, while Cliff Swallows have a squared tail and a pale, buffy rump with a white forehead patch.
Identification tips
Look for the deeply forked tail and rufous throat of the Barn Swallow. In contrast, note the white forehead patch and squared tail of the Cliff Swallow. Check for the buffy rump on Cliff Swallows, especially when seen in flight. Barn Swallows are more likely to be seen alone or in small groups, while Cliff Swallows often nest in large colonies.
Size
Both species are similar in size, but Barn Swallows have longer tail streamers, making them appear more elongated.
Plumage
Barn Swallows have glossy steel-blue upperparts and a rufous-chestnut throat, with a broad blue breast band. Cliff Swallows have a buffy rump, a white forehead patch, and lack the deep forked tail of the Barn Swallow.
Behaviour
Cliff Swallows often nest in large colonies and are known for brood parasitism, while Barn Swallows are more solitary nesters or found in smaller groups.
Habitat
Barn Swallows are often found in open areas like fields and near water, while Cliff Swallows prefer cliffs and man-made structures for nesting.
Voice
Both species have similar calls, but Cliff Swallows have a more complex vocal system for recognizing their young in colonies.