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sand martin

bird
Also known as: Riparia riparia, bank swallow

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The sand martin, also known as the bank swallow (Riparia riparia), is a small bird, measuring about 12 centimeters (5 inches) long. It is characterized by its brown and white coloring. This species breeds across the Northern Hemisphere and is notable for nesting in burrows dug into sandbanks. The sand martin belongs to the swallow family, Hirundinidae.1

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