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Page 38 of 67

HUMPBACK ECHOLOCATION Alison Stimpert of the Hawaii Institute of Marine Biology says that 'megapclicks', aside from being attempts to capture prey, may also be used to detect the sea floor. HUMPBACK AUDIBLE COMMUNICATION Researcher John Calambokidis believes humpbacks may use long distance sounds or songs as cues in order to navigate, often in a straight line for miles. Every year, in early fall, humpback whales begin an incredible journey from the Gulf of Alaska to Hawaii. These gentle giants travel about 3,500 miles from their feeding grounds in polar waters to the warm waters of the Hawaiian Islands over a period of four to eight weeks. Most humpbacks that live (continued on page 41) Imagine swimming non-stop for 3,500 miles or more!

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