The Wide Mouth Frog is on 2 different episodes, and is #4 on Gluttons, and #1 on Big Mouths. Their bodies are 50% mouth, giving them the largest mouth size to body ratio of any animal. They are known eat just about anything. The problem is they don't know when to stop. These frogs like to eat mice, but they are also cannibals. They won't let go of a possible meal, until their stomach rips open, They will try to eat something, even if it is bigger than they are, and even if it means choking to death.
- If following the countdown for extreme Gluttons, the next contender fits in a shoebox and burns energy five times faster than a marathon runner.