The star Polar bear at a German zoo died the other day. Rights activists have claimed the zoo mistreated him by basically domesticating him.
http://news.discovery.com/animals/kn...ng-110321.html
http://news.yahoo.com/s/yblog_theloo...olar-bear-knut
As being the only polar bear ever born and raised in captivity because it's mother abandoned him, I think the inadvertent 'domestication' is almost unavoidable.
Good pics though: