MELBOURNE, Australia — Melbourne researchers have shed new light on the evolutionary mystery behind why some seals and sea lions swim differently from others. Unlike feet-propelled grey and harbor seals in the Northern Hemisphere, Australian-based fur seals and sea lions use wing-like front flippers for swimming. Biologists originally thought the forelimb and hindlimb propelled seal groups evolved from separate land-dwelling ancestors, but genetics has […]
The post Flippin’ Fast: Some Seals Evolved Bigger Flippers To Catch Their Prey, Say Experts first appeared on The Florida Star | The Georgia Star.