TOP SPEED (km/h)
BITE FORCE (N)
||HUMANS KILLED PER YEAR
It’s a popular match-up in pub arguments, although its unlikely that the two animals would ever meet. A grizzly can weigh almost twice as much as an African lion, so they can soak up more damage. The lion is faster over short distances though, so its best bet would be to make a run for it.
Subscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on Twitter for your daily dose of fun science facts.