http://media.istockphoto.com/photos/wild-polar-bear-waiting-for-hudson-bay-to-freeze-manitoba-picture-id503839902?k=6&amp;m=503839902&amp;s=170667a&amp;w=0&amp;h=mz8uxcCYYlu23iQ9YnlX184Kq9NCKWAE0vdJKlj16Gs=