What do earless eat?

It seems you're asking about what "earless" eat. It's likely you meant "earless animals". However, the term "earless" isn't a specific animal classification.

To help me understand your question, could you please clarify:

* What kind of animal are you thinking of? For example, are you curious about a specific species like snakes or lizards, or a broader category like mammals or reptiles?

* Are you referring to animals that lack external ears? Many creatures, like snakes, don't have visible ears but still have the ability to hear.

Once you provide more details, I can give you a better answer!