More Sonar

Researchers from the SOCAL-10 research partnership study the behavior of orcas (commonly called killer whales) and how they react to sonar. Read more in a blog post from one of the researchers.
Marine mammals around the world face many challenges due to interactions with people, from overfishing and entanglement to vessel strikes and disturbance from human sounds. Dr. Brandon Southall...
Hoping to hear bowhead whales , NOAA marine mammal scientist Sue Moore listens to real-time sounds from an underwater hydrophone.
In the late 1990's, researchers at the Woods Hole Oceanographic Institution (WHOI) invented the D-Tag —a radio device that can be attached by suction cups to a whale's back. Using a tiny underwater...
The false killer whale (pdf) ( Pseudorca crassidens ) is a large dolphin that, despite its name, is not closely related to the killer whale. Instead, it's named for similarities in their skull shapes...
Many animals depend on their eyes to navigate, find food, locate mates, and for other important activities. But marine mammals often rely on sound—sometimes far more than sight—for such critical...
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