If the lookout meerkat spots any danger, they shout about it and all the meerkats scurry for safety, heading for the nearest burrow. Where do meerkats sleep? Meerkats literally make their bed!

The scientist’s method for studying this behavior is to bring a snake into a wild meerkat territory, well away from the burrow system, and wait to see if a meerkat finds it. If it does then the ...