A Weddell Seal resting its head on ice as it lies in a water hole.

Antarctica, Elephant Seal on rocky beach looking into camera, its nostrils flare as it breaths in and out with its mouth open as if smiling.

Antarctica: Elephant seals play fighting in shallow water, they posture towards one another with mouths open displaying teeth then biting each others necks.

Solo seal swims into view and tries to catch a Puffer Fish, it lets go and then attempts to catch it again. The Puffer Fish then swims away.

Medium close up of a mother seal supervising a pup swimming under an ice sheet. Blue hue to shot. The seals' coats shine when the occasional ray of light penetrates the water.

Underwater shot of a common seal lounging in a rock crevice. It curiously sniffs the camera and swims away.

A white seal pup lays on snow and turns to face the camera, its black eyes and nose contrasting against the whiteness of its fur and surrounding snow.

Solo Seal hangs motionless in the sea, looks at the camera in a pensive manner, then swims out of view.

Heligoland, Germany: A white seal pup peering into the camera with its large, dark eyes.

A common seal swims from behind swaying kelp and peers into the camera lens before swimming away to a rock crevice.

A 'Paro' seal robot being displayed.

Antarctica: Elephant seal on rocky beach resting and looking at the camera with a gently twinkling eye. There is a lake with seals swimming in the background.

Medium shot of a stream of penguins waddling past beached elephant seals. The seals are of the same colour as the ground, nearly blending in with the scenery, camouflaged. Mountain in background has snow in patches.

Antarctica: Elephant seal floating in shallow water looking at the camera gently bobbing in the waves.

A common seal swims around the camera and curiously peering into the camera lens.

Antarctica: Elephant seal on rocky beach yawning and raising its head with snow covered mountains and lake in the background.

Heligoland, Germany: A close up view of a seal pup resting its head on sand and looking around with its large, dark eyes.

Heligoland, Germany: A grey seal rolling on the sand by another seal. It then moves towards the camera.

A common seal swimming by sea bed and curiously circling the camera before swimming away.

A Common Seal snatching an octopus off a rock and swimming away with it.

Weddel seal pup and mother by an ice hole.

Galapagos Islands: Wide shot of a Sea Lion emerging from the sea onto a beach then a close shot of it sniffing at the camera.