Question

why elephant live in groups

Answer 1

Behavior. Elephants form deep family bonds and live in tight matriarchal family groups of related females called a herd. The herd is led by the oldest and often largest female in the herd, called a matriarch. Herds consist of 8-100 individuals depending on terrain and family size.

Answer 2

I think that elephant think that in groups they will be safe.