* Mammals: Lions, tigers, bears, coyotes, and wolves are all natural predators that hunt other mammals.
* Reptiles: Crocodiles, alligators, and snakes are all natural predators that hunt fish, birds, and mammals.
* Amphibians: Frogs and salamanders are natural predators that hunt small insects and invertebrates.
* Fish: Sharks, dolphins, and tuna are all natural predators that hunt other fish, as well as marine mammals and seabirds.
* Insects: Praying mantises, spiders, and dragonflies are all natural predators that hunt other insects.