* Great horned owls and barred owls: These nocturnal birds of prey are both known to hunt herons.
* Alligators and crocodiles: Herons that feed in or near bodies of water may be vulnerable to attack by alligators and crocodiles.
* Large fish: Some large fish, such as sharks, have been known to prey on herons.
* Other herons: Herons may also be killed and eaten by other herons, particularly during periods of food scarcity.
* Humans: In some parts of the world, herons are hunted for food or sport.