Watercolor portrait of Barn Swallow (Hirundo rustica)

What does the Barn Swallow song sound like?

Hirundo rustica
Song Aerial Acrobat

Play the real Barn Swallow song, the "Cheery warble with squeaks", and learn what to listen for.

Cheery warble with squeaks

What the Barn Swallow song sounds like

Barn Swallows' song is a constant, cheerful twittering and warbling mixed with mechanical-sounding whirrs and squeaks. It's not a structured melody, more a stream of chatter often ending in a sputtering, high-pitched chirr. They frequently sing in flight or from a perch near the nest. Calls include a sharp 'svit' or 'sweeek' when alarmed (especially if a predator near the nest), and a persistent chattering when congregating.

Cheery warble with squeaks

How to find the bird singing it

Open areas such as farms, fields, marshes, lake edges, and suburban parks. Often near water which produces insect prey. Nests almost exclusively on human-made structures (barns, under bridges, eaves). Found across North America in summer; winters in Central and South America.

  • Head & Face: Glossy deep cobalt-blue crown and nape. Forehead (just above the bill) is rufous (rusty-orange). Throat is also rich rufous-cinnamon, bordered below by a distinct dark blue band (necklace) across the upper chest. The contrast of the rufous throat and blue band is a good field mark. Eyes are dark brown, bill small and wide.
  • Bill: Tiny and black, with a wide gape. When mouth open, interior is yellowish, ideal for snagging insects. Often you barely see the bill when perched because it's so short. The gape line extends beneath the eyes. It's a classic swallow bill: very short and flat.
  • Breast & Underparts: Underparts are generally tawny or buff-orange. Males usually richer in color (deep buff or orange) while females can be a bit paler on belly. The band across the chest (blue) separates the orange throat from the belly. No streaking. Underwings are gray. In juvenile birds, throat and forehead are paler and the belly is more whitish.

When you'll hear it

Spring

Return from migration; plumage fresh and vibrant. Males display in flight and chase females, showing off their long tails. Nest building (mud gathering) starts mid-spring. Large groups can be seen collecting mud from puddles. Both sexes look similar, though males may be slightly brighter and longer-tailed.

Summer

Breeding in full swing. Parents constantly fly back and forth with insects to feed nestlings. Often can see lines of swallows perched on fence wires near nesting sites. Adult plumage may wear slightly but still basically the same. Juveniles fledge mid-summer; they have shorter tails and duller colors (dusky forehead and throat rather than rich rufous). Second broods may occur. By late summer, families gather at roosts, and adults undergo partial molt (molt mostly occurs on wintering grounds).

Fall

Migration time. Swallows stage in large numbers on power lines and in marsh roosts by early fall. Many juveniles and adults mixed; juveniles still showing shorter tails. The forked tail of adults may look a bit ragged by now due to wear or partial molt. They depart in waves; by mid-fall, most have left North America. A few stragglers might linger into late fall in the far south.

Winter

Absent from North America aside from rare exceptions in far South Florida or unusual records. On wintering grounds in South America, they molt into fresh plumage. Adults look similar, maybe slightly duller or with shorter tail if streamers not fully grown post-molt. Not in U.S. for winter months.

Barn Swallow song FAQ

What does a Barn Swallow song sound like?
Barn Swallows' song is a constant, cheerful twittering and warbling mixed with mechanical-sounding whirrs and squeaks. It's not a structured melody, more a stream of chatter often ending in a sputtering, high-pitched chirr. They frequently sing in flight or from a perch near the nest. Calls include a sharp 'svit' or 'sweeek' when alarmed (especially if a predator near the nest), and a persistent chattering when congregating. Birders write it as "Cheery warble with squeaks".
How do I tell a Barn Swallow from a Cliff Swallow by ear?
Cliff Swallow: Cliff Swallows have a pale buffy rump (patch on the back) and a bright white forehead, with shorter, square tails. Barn Swallows have a long forked tail and no pale rump patch.; Cliff Swallow nests are jug-like mud pellets attached to cliffs or eaves in colonies, whereas Barn Swallows make an open cup nest often singly or a few together. In flight, Barn Swallows show longer, more deeply forked tails..
When is the best time to hear the Barn Swallow song?
Diurnal. Migrates in day and night (can cross Gulf of Mexico in a long flight). Breeds in spring/summer: pairs cooperate to build mud nests often in colonies. Very active feeding schedule to raise nestlings. By late summer, swallows form big roosting flocks in marshes or on powerlines before migration. In winter (South America), they remain in flocks in open habitats. Known for their graceful, acrobatic flight all summer long.

More Barn Swallow sounds