Answer:
It can be white or blue or black, Humped or have a horn. And when it talks it sings its menuets, as it's travelling the depths.
For our ambrosia we were blessed, By Jupiter, with a sting of death. Though our might, to some is jest, We have quelled the dragon's breath. Who are we?
I'm carried by mad animals. What am I?
What has no arms, hands, or legs but moves the earth?
While I did live, I food did give, which many one did daily eat. Now being dead, you see they tread me under feet about the street.
I am a animal that is cute but dangerous, what am I?