Bobcats, alligators, coyotes, raptors, and other large predators will sometimes prey on North American river otters.

Do otters have any predators?

Predators. Healthy adult otters have few predators. Very old otters and pups may fall prey to a number of land predators, including wolves, birds of prey, and large reptiles. Surprisingly, one possible threat to the Alaskan sea otter population is predation by killer whales.

What are otters biggest predators?

Otter Natural Predators. Otters may look like cuddly creatures but they can also be very defensive when they feel that they are their offspring are in danger. ... Humans are the biggest predator of the Otter. Some of the species have been hunted until their numbers were drastically low.