http://news.yahoo.com/s/ap/20080425/ap_on_sc/climate_arctic_animals
Narwhals more at risk to Arctic warming than polar bears - Yahoo! News
http://en.wikipedia.org/wiki/Narwhal
Monodon monoceras
http://news.bbc.co.uk/2/hi/americas/7368484.stm
BBC NEWS Americas Polar bears 'at risk' in Canada
http://www.sciencedaily.com/releases/2008/04/080423154558.htm
Arctic Marine Mammals On Thin Ice
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