A Google A Day - We occasionally fight but we never use guns, yet still they call our group a mob. And even though I'm usually only 4 feet 11 inches high, people still consider me the biggest. What kind of beast am I?

http://agoogleaday.com/#date=2011-08-10

How to find the answer: Search [groups called mobs]. Find animals that live in groups called mobs include meerkats and kangaroos. Use height clue to narrow down to kangaroos. Search [largest kangaroo]. Find the largest kangaroo, and the largest marsupial on the planet, is a male red kangaroo.