Ключевые слова: africa, animals, asia, avifauna, bank swallow, banks, beautiful, bird, birding, birdwatching, black, brown, bulgaria, canada, china, collared sand martin, croatia, cute, europe, european bird, european sand martin, france, germany, greece, italy, lake, marsch, martin, middle east, migratory bird, nature, nice, ornithology, outdoor, pag island, passerine bird, reeds, riparia riparia, river, romania, russia, sand banks, sand martin, swallow, swamp, turkey, uk, usa, white, wild, wildlife, yellow,