Male and female (nearest camera) Grey Seals (Halichoerus grypus) fighting on the shore, in winter, at Donna Nook Nature Reserve, on the North Sea coast of Lincolnshire, Great Britain

grey seals halichoerus grypus winter nature reserve north sea fighting male seal female coastal wildlife marine mammals donna nook lincolnshire animal behavior interaction fight shore grass natural habitat landscape conflict seaside colony wild animals species conservation life breeding season observation kingdom ocean protection environmental rights ecological balance population ecosystem