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

grey seal pup nature winter shore donna nook north sea great britain wildlife marine mammal conservation animal resting young coastal habitat reserve ocean life fur colony january cold weather natural freshwater ecosystem effort aquatic behavior serene place watching seaside observation soft beauty environment biodiversity ecology care species protection welfare