Brother Bear (movie, 2003)

When an impulsive boy named Kenai is magically transformed into a bear, he must literally walk in another's footsteps until he learns some valuable life lessons. His courageous and often zany journey introduces him to a forest full of wildlife, including the lovable bear cub Koda, hilarious moose Rutt and Tuke, woolly mammoths and rambunctious rams.