Birdsong field guide
Bank Swallow
Riparia riparia
The smallest North American swallow, recognized by its brown upperparts and a distinctive dark breast band against white underparts. It is a highly social aerial insectivore that nests colonially in self-excavated burrows.
What it sounds like
A series of dry, raspy, and unmusical buzzy chatters or 'zrit' notes.
Reference call, compare with what you heard
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Field notes
- It is the most widely distributed swallow in the world, known as the Sand Martin across Europe and Asia.
- Both males and females use their small bills and feet to excavate nesting tunnels that can reach up to three feet in length.
- They are unique among North American swallows for having a small tuft of feathers at the base of the leg near the toes.
- Colonies are often ephemeral, as the vertical riverbanks they prefer are prone to natural erosion and collapse.
- During migration, they can form massive communal roosts in reedbeds containing hundreds of thousands of individuals.
Habitat
Vertical banks of sand, dirt, or gravel near water bodies, as well as human-made quarries and construction sites.
Range
Holarctic breeding range across North America and Eurasia; winters in South America, Africa, and Southern Asia.
Similar & commonly confused birds
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