Whales of the Silver Bank - Flukes/Fluking
The humpbacks fluke or tail fin is very broad and flat, ranging in size from 10 to 15 feet wide and are capable of propelling the whale at over 12 knots for short periods of time. The flukes normally have a serrated edge and a deeply notch center called the median notch. The term fluking is when the whale raises its tail out of the water and descends beneath the surface.
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