カナダ北部・ヌナブト準州のアーヴィアト村落のごみ投棄場で食べ物を漁るホッキョクグマ (Feb.24 2010) Arviat polar bear patrols reduce bear deaths, says WWF-Canada http://www.cbc.ca/news/canada/north/polar-bear-patrol-arviat-1.3460947
