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Study suggests surprising reason killer whales go through menopause (2018)
- jelliclesfarm 4y agoToday I found out: [..]Scientists have discovered that beluga whales and narwhals go through the menopause -- taking the total number of species known to experience this to five. Aside from humans, the species now known to experience menopause are all toothed whales -- belugas, narwhals, killer whales and short-finned pilot whales.[..] And female chimpanzees don’t. Weirdness.