However, depending on the context, you could consider some words that might convey an opposite meaning:
* Domesticated dog: Coyotes are wild, while domesticated dogs are bred for companionship and obedience.
* Large predator: Coyotes are relatively small predators. A large predator like a bear or lion could be considered an opposite.
* Non-canine: Coyotes are canines. Other animals like cats or rabbits could be considered opposites in this sense.
Ultimately, the best "antonym" for coyote will depend on the specific context of your use.