Sand Martin (Riparia Riparia), Also Known As The Bank Swallow Migratory Passerine Bird Of The Hirundinidae Family. Stock Image

Sand martin (Riparia riparia), also known as the bank swallow migratory passerine bird of the Hirundinidae family. Sand martin portrait near the nest site in the natural biotope. sand martin, Riparia riparia, bank swallow, collared sand martin, common sand martin, Hirundinidae, migratory passerine bird, swallow, bird, bird conservation, unique moments of bird life, birds of europe, ornithology, bird life, birdwatching, unique wildlife, zoology, european wildlife songbird,