According to Greek mythology, Callisto was a and a follower of . Zeus developed an attraction to Callisto and turned himself into Artemis to lure Callisto. After Callisto became pregnant, she was expelled from Artemis’ hunting group. Once Hera found out, she turned Callisto into a bear. As she was about to be hunted by her son, they were was set among the stars as Ursa Major and Minor (“the Great Bear” and “the Little Bear” constellations) by Zeus.
Above is an image of Hera turning Callisto into a bear.
Callisto probably favoured the same foods as Artemis.
Greek goddess of the hunt and the moon