In the current 1.0 beta (0.17.0.2 (again, it doesnt say 0.17.0.2 is real)) polar bears use default textures
MCPE-18503
Polar Bears In Fantasy Texture Pack Use Default Textures
Resolved
Fixed
1
(Unassigned)
Unconfirmed
Tablet - Android - Amazon Kindle Fire
Fire Os 5.3.2.0
0.17.0.1, 0.17.0.2
1.0.0
Retrieved
Fixed as of 1.0.0.