Dave Watts / Two female Australian sea lions (Neophoca cinerea) playing and interacting on a beach, with others nearby, Seal Bay Conservation Area, Kangaroo Island, South Australia.

Dave Watts / Female Australian sea lion (Neophoca cinerea) scratching and rolling on a beach, Seal Bay Conservation Area, Kangaroo Island, South Australia.

Tony Wu / Juvenile Australian sea lion (Neophoca cinerea) silhouetted against blue skies at Carnac Island, Western Australia

Tony Wu / Juvenile Australian sea lion (Neophoca cinerea) resting in shallows, possibly to thermoregulate, Carnac Island, Western Australia.

Alex Mustard / An Australian Sea Lion (Neophoca cinerea) bathing in the sun at the surface. Kangaroo Island, South Australia, Australia. Southern Ocean. November

Alex Mustard / A pair of Australian Sea Lions (Neophoca cinerea) socialising in the shallows. Kangaroo Island, South Australia, Australia. Southern Ocean. November

Juergen Freund / Australian sea lion {Neophoca cinerea} portrait underwater with tourist boat, Fisherman's Island, Batavia Coast, Western Australia 2006

Juergen Freund / Australian sea lion {Neophoca cinerea} portrait underwater, Fisherman's Island, Batavia Coast, Western Australia

Dave Watts / Australian sealion with young at sea surface {Neophoca cinerea} Australia. Endangered species.

Steven David Miller / Australian sea lion (Neophoca cinerea) female crawling through bed of seaweed on beach. Seal Bay Conservation Park, Kangaroo Island, South Australia.

Steven David Miller / Australian sea lion (Neophoca cinerea) male basking whilst sitting in bed of seaweed. Seal Bay Conservation Park, Kangaroo Island, South Australia.

Steven David Miller / Australian sea lion (Neophoca cinerea) male basking on seaweed on beach. Seal Bay Conservation Park, Kangaroo Island, South Australia.