regarding their familial bonds, they are one of three mammals to undergo menopause, the other two being humans and pilot whales. since orca pods are matriarchal

regarding their familial bonds, they are one of three mammals to undergo menopause, the other two being humans and pilot whales. since orca pods are matriarchal, this further indicates strong bonds and the fact that the older female orcas retire from reproduction duties to share that with the younger females but maintain their leadership roles rather than just dying.