Sunday, August 3, 2025
THE PECTORAL FINS OF A HUMPBACK WHALE: NATURE’S MARVELS OF MOVEMENT AND COMMUNICATION
Pectoral fins in whales are the evolutionary equivalent of forelimbs in land mammals. Inside, they contain bones similar to a human arm—shoulder blades, a humerus, radius, and finger-like phalanges—adapted over millions of years for life in the ocean.