This is the 7157th most frequent Russian word.
бутина
"Бутина" in Russian refers to a small waterlogged area, marshy spot, or shallow standing water in a forest or field.
The word 'бутылка' refers to a container for liquids like water.
Она купила бутылку воды.
She bought a bottle of water.
The word 'бутылка' describes the object as being empty and located on a shelf.
На кухонной полке стояла пустая бутылка.
An empty bottle was standing on the kitchen shelf.
In this context, 'бутылки' refers to multiple such containers left as waste on the beach.