A young Grey Seal pup (Halichoerus grypus) on the shore with its mother in winter, at Donna Nook Nature Reserve, on the North Sea coast of Lincolnshire, Great Britain.

grey seal pup mother winter nature reserve coastline affectionate behavior wildlife marine mammal north sea lincolnshire animal interaction life conservation nuzzling natural habitat coast grass aquatic mammals nurturing colony resting seals species juvenile mothers coastal ecosystem sanctuary pups ecology environment family breeding pinniped lovers enthusiasts ocean efforts ecological balance