For 10 points, what is this animal into which the nymph Callisto was changed, and is represented in the stars by Ursa Major.
Krishna was given the gem Syamantaka by the Hindu king of these animals, Jambavantha. Agrius and Oreus were half-human and half this creature before they were turned into birds, and another Greek myth has it that Atalanta was raised by one after being abandoned in the forest. Korean legend states that Tangun, founder of the nation, was born from a woman who had previously been one of these animals.  The daughter of Lycaon was turned into one of these animals after Zeus raped her and impregnated her with Arcas, who later almost killed her while hunting. For 10 points, what is this animal into which the nymph Callisto was changed, and is represented in the stars by Ursa Major.
Krishna was given the gem Syamantaka by the Hindu king of these animals, Jambavantha.
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