Apparently Killer Whales share a rare evolutionary trait with us humans:
That's right, killer whales goes through menopause.
Experts say that this trait improves an offspring's chance of survival.
Orcas are one of the rare species that continues to live long after they're done reproducing.
That means that their baby has a great chance of surviving because he's got his mama's help!
The lead investigator of the study into why these whales have menopause said: