Orcas Shouldn’t Have This Human Trait

Nature Unfolded
Nature Unfolded
1 Video View·Sep 11, 2026

Stephanie Sammann investigates why humans and five species of toothed whales uniquely undergo menopause. By analyzing decades of field research and life history data, the exploration focuses on the evolutionary advantages of this life stage and how social structures, accumulated ecological knowledge, and kinship dynamics might have influenced its development across these distinct species.