* Birds: Trout are also eaten by birds, including ospreys, eagles, and herons.
* Mammals: Some mammals, such as bears, otters, and minks, will eat trout.
* Reptiles: Trout can also be eaten by reptiles, such as snakes and turtles.
* Amphibians: Amphibians, such as frogs and salamanders, will sometimes eat trout.
* Invertebrates: Some invertebrates, such as crayfish and leeches, will eat trout.