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Echolocation
A whale sends out an echolocation whistle using air sacs. It detects the reflected...
Article
When Killer Whales Hunt the King of Salmon
In the Pacific Northwest of the United States there is a population of killer...
July 2021

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How Big Do Seals Get?
Pinnipeds come in all shapes and sizes. The largest seal is the Southern...
Article
Native Knowledge of the Narwhal
The narwhal is an elusive mammal. During the winter months they feed in the deep...
March 2020

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Bay Dolphin
Veterinarians assess the heart health of a dolphin in Barataria Bay. ...
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Heart Check Up
Cynthia Smith listens to a free-ranging dolphin's heart. Monitoring a dolphin's...
Article
The Musical Hearts of Dolphins
For Dr. Cynthia Smith, listening to hearts is part of the job. Her patients just...
September 2020

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Vaquitas at the Water's Surface
Governments and environmental organizations continue to monitor the vaquita...
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Vaquita Refuge
Eliminating gillnets is key to protecting the vaquita from extinction. This map...
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Vaquitas as Bycatch
Gillnets used to catch totoaba accidentally catch vaquitas too. The vaquita’s...
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A Population in Decline
At the current rate of population decline, the vaquita may be extinct in a few...
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