Blue-and-white Swallow vs Barn Swallow

In short

The Blue-and-white Swallow and Barn Swallow can be distinguished by their tail shape and plumage. The Barn Swallow has a long, deeply forked tail with elongated outer feathers, while the Blue-and-white Swallow has a more modestly forked tail. In terms of plumage, the Barn Swallow features a rufous-chestnut throat and forehead, contrasting with the Blue-and-white Swallow's simpler blue and white coloration.

Identification tips

• Tail Shape: Look for the deeply forked tail with long streamers in the Barn Swallow.
• Throat and Forehead Color: Note the rufous-chestnut throat and forehead in the Barn Swallow, absent in the Blue-and-white Swallow.
• Size: The Barn Swallow is larger and more robust than the Blue-and-white Swallow.
• Habitat: Consider the habitat; Blue-and-white Swallows are more common in tropical areas, while Barn Swallows are found in a variety of open habitats.

Size

The Barn Swallow is generally larger, measuring 17–19 cm, compared to the smaller Blue-and-white Swallow.

Plumage

The Barn Swallow has a glossy steel-blue crown and upperparts with a rufous-chestnut throat and forehead, and creamy or buffy white underparts. The Blue-and-white Swallow is primarily blue above and white below, lacking the rufous tones of the Barn Swallow.

Behaviour

Both species exhibit similar aerial feeding behaviors typical of swallows, often seen catching insects in flight.

Habitat

The Blue-and-white Swallow is highly adaptable and benefits from human expansion in tropical areas, while the Barn Swallow is more widespread and often found in open areas, including farmlands and near water.