The Bank Swallow is the smallest swallow in North America and the only one that excavates its own nesting burrows, digging horizontal tunnels up to two feet deep in sandy riverbanks or road cuts. Colonies can contain hundreds to thousands of burrows. It is the most widely distributed swallow in the world, breeding across the Northern Hemisphere.
Best time to see a Bank Swallow
The best time to see a Bank Swallow is April–August, when about 63% of U.S. sightings happen, based on 31,883 research-grade iNaturalist observations.
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Recent Bank Swallow sightings near you
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