What animal is bigger a panda a hippo or a penguin?

A hippopotamus is the largest among the three animals, significantly outweighing both pandas and penguins. Adult hippos can weigh between 3,000 to 4,000 pounds, while giant pandas typically weigh around 220 to 330 pounds, and most penguin species weigh much less, ranging from 2 to 90 pounds. Therefore, the hippo is the biggest.