The 'House Martin' is a common summer visitor to these shores, so too is which other 'Martin'?
African sand martin Riparia diluta Bank swallow European Sand Martin Sand Martin Sand marten Hirundo riparia Bank Swallow Sand Marten Collared Sand Martin Sand martin Sand martins SAND MARTIN Riparia riparia
bank swallow sand marten african sand martin sand martins riparia diluta european sand martin sand martin hirundo riparia riparia riparia collared sand martin
sand martin
WikipediaEntity
SAND MARTIN