Alex Mustard / Grey seal (Halichoerus grypus) resting on the seabed, using kelp (Laminaria digitata) for a pillow. Farne Islands, Northumberland, England, United Kingdom. North Sea.

Alex Mustard / Grey seal (Halichoerus grypus) female swims over Oarweed (Laminaria digitata) in shallow water. Farne Islands, Northumberland, England, United Kingdom. North Sea