Sand Martin Sand Martin – 1949 April 10, 2020January 4, 2021 Annie Riparia riparia riparia Summer resident and passage migrant. Colonies, usually small, in river banks and gravel pits. R.M.Lockley, G.C.S.Ingram, H.M.Salmon, 1949, The Birds of Pembrokeshire, The West Wales Field Society More about the Sand Martin in Pembrokeshire Share this:TwitterFacebookEmailLike this:Like Loading...