"Lapland Longspur - Calcarius lapponicus - Sportittlingur" by Omarrun via Flickr, Creative Commons Attribution.

"South Polar Skua, 20 miles offshore of Vancouver Id., British Columbia, July 3, 2010" by Larus10 via Flickr, Creative Commons Attribution.

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

Jan-borgstede via Flickr, Creative Commons Attribution ShareAlike.

"IMG_9750" by Pat Hawks via Flickr, Creative Commons Attribution.

Rubund Creative Commons Attribution ShareAlike.

Rubund Creative Commons Attribution ShareAlike.

Rubund Creative Commons Attribution ShareAlike.

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

Uwe kils via Wikicommons, Creative Commons Attribution ShareAlike.

Rubund Creative Commons Attribution ShareAlike.

Rubund Creative Commons Attribution ShareAlike.

"Kanadawolf zoo 2009" by Udo Schröter via Flickr, Creative Commons Attribution ShareAlike.

"Pomarine Jaeger in Flight I" by Jomilo75 via Flickr, Creative Commons Attribution.

Rubund Creative Commons Attribution ShareAlike.

"Untitled" by Minette Layne via Flickr, Creative Commons Attribution ShareAlike.

"Southern Elephant Seals fighting on the beach" by Liam Quinn via Flickr, Creative Commons Attribution ShareAlike.

"Red phalarope - Phalaropus fulicarius - Þórshani" by Omarrun via Flickr, Creative Commons Attribution.

Rubund Creative Commons Attribution ShareAlike.