Bass are opportunistic predators and have a diverse diet. What bass eat can vary depending on their size, location, and the availability of food sources. Here are some common food items that bass typically consume:

1. Fish: Bass are known for feeding on other fish. They will prey on smaller fish such as minnows, shad, sunfish, and perch. As they grow larger, bass can even eat fish that are similar in size or slightly smaller than themselves.
2. Crustaceans: Bass also feed on crustaceans such as crayfish and shrimp. These bottom-dwelling creatures are a favorite food source for bass, particularly in areas where they are abundant.
3. Insects: Bass will actively feed on insects, including various aquatic insects like mayflies, dragonflies, damselflies, and caddisflies. They also consume terrestrial insects like grasshoppers, crickets, and beetles when they fall into the water.
4. Frogs and Amphibians: Bass are opportunistic and will eat frogs, tadpoles, and other amphibians that inhabit their environment. They are known to strike at frogs when they come near the water’s edge.
5. Small Mammals and Birds: While less common, larger bass have been known to prey on small mammals like mice and voles that may be swimming or near the water. They may also feed on small birds that happen to be on or near the water’s surface.
6. Aquatic Reptiles: In some cases, bass may prey on smaller reptiles such as snakes, turtles, and lizards if the opportunity arises.

It’s important to note that the diet of bass can vary depending on their habitat, seasonal availability of different food sources, and local conditions. Observing the natural food sources present in the waters where you plan to fish can provide insights into what bass are likely to be feeding on.