Dash-dot flipper slapping

Did you know that pilot whales are one of only five toothed whale species that go through menopause? *What is menopause in whales?* Menopause is a rare evolutionary trait that occurs in some animals. Menopause evolved to extend a female’s total lifespan without increasing her reproductive years. This shift allows females to invest more energy into raising their existing children and grandchildren, rather than having more offspring. *How does menopause affect whales?* Whales that undergo menopaus

Mysterious beached whale corpse linked to species never seen alive