A sand martin is a small bird that digs burrows in sandy riverbanks and cliffs to make its nest, and it catches insects while flying. These birds are found across much of the Northern Hemisphere and are important indicators of healthy river ecosystems and insect populations.
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The sand martin (Riparia riparia), also known as the collared sand martin or common sand martin, and in the Americas as the bank swallow, is a migratory passerine bird in the swallow family Hirundinidae. It has a wide range in summer, embracing practically the whole Holarctic area, from Europe, across Asia to the Pacific Ocean, and throughout North America. It winters in eastern and southern Africa, southern Asia, and South America.
Taxonomy
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