Ключевые слова: alien, animal, bark, bird feeder, bird food, british, conifer, eastern gray squirrel, eating, european, fat ball, fauna, feeding, gnawing, gray squirrel, grey squirrel, introduced, mammal, nature, nibbling, nuts, park, rodent, sciuridae, sciurus carolinensis, seeds, stealing, tree, tree trunk, trunk, uk, wildlife,