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To collect consistent passive acoustic data simultaneously across all major regions of the US, NOAA and the National Park Service scientists have teamed up to create theOcean Noise Reference Station Network (NRS).

Through vivid imagery and sound clips, NOAA's story map "Listening to the Sea" explores the NRS and its use of passive acoustic instruments to record sound in the ocean.

SoundCoop

Listen to episode 3 of NOAA's podcast about NOAA's conservation, preservation, and sustainability work during Earth Month and beyond....more

(Inside Science) -- As the sun rises over the island of American Samoa, a chorus of animal voices drifts upward. They're not the calls...more

The sei whale is a large baleen whale, in the same genus as the blue whale, found in most of the world's oceans outside the Arctic. From 2009 to 2014, we searched acoustically for sei whales off the northeast coast of Greenland on the edge of the Arctic Ocean. We did this by deploying hydrophones (underwater microphones) and recording ambient sound, then searching the resulting recordings for...more