if you do climbing posts it is 99%
You feed them twice a day.
The treat which gets their happiness up to 99% is climbing posts.
The treat that get's their happiness up to 80% are the hanging tree house and the one that get's their happiness to 99% is climbing posts.
Tree Trunks Hanging Platforms Climbing Posts Long Grass Ropes
no they cant
moon9
air462
5674470
seals are the best treats for polar bears
buckets
honey of coarse
moon600