Red kangaroos are better jumpers than any other mammal. They can reach speeds over 56 kilometers an hour and jump 8 meters in a single leap. However, the flea is usualy considered the beat jumper in the world. Compared to body size. fleas can jump 220 times their own body length and 150 times their own body height. iT IS LIKE A person jumping nearly 400 meters in distance while jumping over a 250-meter high building