"South Georgia Pintail, Mikiviken" by Brian.gratwicke via Flickr, Creative Commons Attribution.

"Adélie Penguin" by Liam Q via Flickr, Creative Commons Attribution ShareAlike.

"Beluga Whale" by Brianandjaclyn via Flickr, Creative Commons Attribution.

"Brünnich's Guillemot" by Alastair Rae via Flickr, Creative Commons Attribution ShareAlike.

Rubund Creative Commons Attribution ShareAlike.

"Northern Giant Petrel at Salisbury Plain" by Liam Quinn via Flickr, Creative Commons Attribution ShareAlike.

"Untitled" by Anne Froehlich via Flickr, Creative Commons Attribution-NoDerivs.

Rubund Creative Commons Attribution ShareAlike.

Rubund Creative Commons Attribution ShareAlike.

"Leopard Seal in Pléneau Bay, Antarctica" by Liam Q via Flickr, Creative Commons Attribution ShareAlike.