Who jumps higher: a dog flea or a cat flea?

A comparison of jump performances of the dog flea, Ctenocephalides canis (Curtis, 1826) and the cat flea, Ctenocephalides felis felis (Bouché, 1835)

Vets held a flea long-jump and high-jump contest. The dog fleas won.

Ig Nobel 2008

Researchers in France set up a little jumping arena and measured how high and how far dog fleas and cat fleas could leap.

Dog fleas out-jumped cat fleas in both events. It is the only sports day in history where every competitor is smaller than a full stop.

the verdict

Team Dog takes the gold. Team Cat claims it wasn’t trying.