Don't know if I have told you before. I love this photo (your excellent selection) a lot. Recently I have seen a real one at the Hong Kong Science Museum. If you have time, please feel free to go there and enjoy it.

Current Exhibition - "Wildlife Photographer of the Year" (2006-2007 selections)
Introduction
http://hk.science.museum/temp-exh/wildlife/eng/index.html
Highlights
http://hk.science.museum/temp-exh/wildlife/chi/highlights.html

Here are my picks:
your photo or One Earth Award - Runner Up (2008) "Polar Meltdown"
http://www.nhm.ac.uk/visit-us/whats-on/temporary-exhibitions/wpy/photo.do?photo=2268&category=52&group=3

Animals in their Environment - Highly Commended (2008) "Freezing issues"
http://www.nhm.ac.uk/visit-us/whats-on/temporary-exhibitions/wpy/photo.do?photo=2274&category=48&group=1

全球暖化對北極熊的威脅，不言而喻；下圖的北極熊一家大細緩緩而行，碎裂的冰塊四處浮現，可以預計牠們漸漸無處容身，真替牠們擔心。