Did you now that a frog in Brazil eats fruit? Yes, you read that correctly… this frog eats fruit! Here is a list of some of the most amazing and interesting facts about world’s greatest amphibian! A group of frogs is called an army. The ornate horned frog can eat a mouse in one swallow. The African bullfrog will stay underground for years waiting for heavy rains. The world’s largest frog is the goliath bullfrog. It can grow up to 16 inches (40cm) long, but can’t make a sound (it lacks a vocal sack). Most burrowing frogs dig backwards, using their feet.