Yes, donkeys kill the coyotes. Both of these species do not much like each other. You may say that coyotes are not actually fond of donkeys so whenever a coyote sees a donkey at guard duty at a sheep farm, it quickly slinks before getting caught.

Will donkeys keep coyotes away?

Donkeys can protect against a single fox, coyote, roaming dog and possibly a bobcat. Donkeys who do attack a predator will be very aggressive, using their teeth and hooves. They may bray loudly. They will charge the threat and attempt to chase it away.

What does a donkey do to a coyote?

If the coyote does not retreat and the donkey feels threatened, they will attack. They will use their teeth to bite the coyote, but the main defense mechanism is using their hooves to stomp and kick the coyote to death.