Barn Swallow vs Cave Swallow

The Barn Swallow and Cave Swallow can be distinguished by tail shape and plumage details. Barn Swallows have long, deeply forked tails, while Cave Swallows have shorter, square tails. Both species have similar size and flight patterns, but differ in head and throat coloration.

1. Tail Shape: Look for the long, deeply forked tail of the Barn Swallow versus the shorter, square tail of the Cave Swallow. 2. Head and Throat Color: Note the rufous-chestnut forehead and throat of the Barn Swallow compared to the paler, buffy tones of the Cave Swallow. 3. Habitat: Consider the location and habitat; Cave Swallows are more likely near caves or under bridges in the southern U.S. and Central America.

Both species are similar in size, typically around 17–19 cm in length.

Barn Swallows have a glossy steel-blue upperpart with a rufous-chestnut forehead and throat, and a broad steel-blue breastband. Cave Swallows have a paler, buffy throat and forehead, with a less distinct breastband and a more uniform, pale underpart.

Both species exhibit similar aerial feeding behaviors, catching insects in flight. Barn Swallows are often seen flying lower over fields and water, while Cave Swallows may be observed near cave entrances or under bridges.

Barn Swallows are more widespread and can be found in open areas, often near water, across a variety of landscapes. Cave Swallows are typically found in the southern United States and parts of Central America, favoring habitats with caves or man-made structures like bridges for nesting.

Both species have similar calls, consisting of twittering and chattering sounds, making vocalizations less reliable for differentiation.