LL' ours blancL' ours blancde Ian StirlingMateriasOurs blancEdiciones (1)L' ours blanc (2003)Service canadien de la faune · francésMás obras de Ian StirlingPPolar bearsPolar bearsPolar bearsBBearsBears
TThe ecology of the polar bear (Ursus maritimus) along the weThe ecology of the polar bear (Ursus maritimus) along the western coast of Hudson Bay
