this is a bear that i created and is fully rigged, not realistic but pretty cool.
if you want to see this guy in action, check out http://www.youtube.com/watch?feature=player_embedded&v=r3aEtheuMqs
also make sure you select the whole armature in pose mode and clear transform rotation, because I posed him for his debut photo shoot here, and enjoy.
if you want to see this guy in action, check out http://www.youtube.com/watch?feature=player_embedded&v=r3aEtheuMqs