North American: Wolf said that a human could be brought back from the dead with an arrow, but the Coyote thought the dead should stay dead. Then Coyote's son died and he pleaded with Wolf to bring him back. Wolf said no, because Coyote was right;
Coywolf = Coyote+dog+wolf a new animal species emerging in eastern North America. I thought maybe this was a joke, but there's a big article about it in the "Economist" magazine. Jack thinks these should be called Wolfyotes.