What is a periodic condition in male elephants characterized by highly aggressive behavior called?

I actually learned this a long time ago when I read (and re-read numerous times) The Earth’s Children series by Jean M. Auel. The Clan of the Cave Bear is one of the best books I’ve read in my life.

Nature programs often show this wild behavior.

new word to me, thanks

KTI6, I was thinking about those books too. Early man didn't control their hormones tgen.

Very interesting, the elephant is one of my favorite wild animals.