Alex Mustard / Playful young Grey seal (Halichoerus grypus) amongst seaweeds, Lundy Island, Devon, England. July

Alex Mustard / Male Atlantic grey seal (Halichoerus grypus) swimming among seaweeds, Lundy Island, Devon, England, UK, July

Gary K. Smith / Twisted wrack (Fucus spiralis) seaweed exposed at low tide on rocky shoreline, Northumberland, England, June,

Alex Mustard / Female Grey seal (Halichoerus grypus) resting amongst seaweeds, Lundy Island, Devon, England, UK. July

Alex Mustard / Atlantic grey seal (Halichoerus grypus) resting on seaweeds, Lundy Island, Devon, England, UK, July

Alex Mustard / Male Grey seal (Halichoerus grypus) peering out from amongst seaweeds, Lundy Island, Devon, England, July

Alex Mustard / Female Atlantic grey seal (Halichoerus grypus) resting among seaweeds, Lundy Island, Devon, England, UK, July

David Tipling / Bladder wrack seaweed {Fucus vesiculosus} and remains of crab exposed on rocks at low tide, Scotland, UK