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All Posts Tagged With: "sonar"

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The Dolphin Defender: Dolphins and Sounds

Dolphins use sound to detect the size, shape, and speed of objects hundreds of yards away. The dolphin's natural sonar, called echolocation, is incredibly precise

Jun 12th, 2008 | 10 comments | 9,480 Views
(18 votes)
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A Mystery in Alaska: Interview: Fisheries Scientist Gary Thomas

Thomas says his team's work, which included surveying fish populations using sonar, has helped highlight the important role that herring play as a food source for sea lions.

Jun 10th, 2008 | 2 comments | 3,861 Views
(7 votes)
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Dolphins: Close Encounters: Squeaking By: Dolphin Communication

In the 1950s, researchers weren't sure why dolphins produced their remarkable range of clicks, trills, moans, and squeaks.

Aug 13th, 2000 | 1 comment | 1,892 Views
(4 votes)
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