A wide shot of the same otter seconds later face up again.

This otter was swimming backward with its nose leaned back in the direction of travel.

Otters groom themselves to clean food off and to force bubbles into their coats as an aid to bouyancy.

A wider shot of the same otter grooming itself.

A closeup of the otter's head with its eyes shut.

A closeup of the otter's head as its eyes began to open.

A closeup of the otter as it tilted its head back and began to swim again.

Wide shot of the same otter swimming away.

Close up of the same otter swimming away.

The otter rotated (rolled) its head to face forward.

An otter floats face up to groom and to eat. This particular otter was doing neither at the moment.

The otter rolled completely over to become mostly under water.

The otter surfaced again with eyes shut.

This otter surfaced with its tail touching its face.

The otter surfaced amid a swirl of water.

The otter submerged again as part of a leisurly roll.

On its back and grooming itself again.

The otter departed by swimming away and diving.