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Avian Influenza Detected at Año Nuevo State Park

A small number of young northern elephant seals at Año Nuevo State Park recently tested positive for H5N1, also known as bird flu. This is the first detection of H5N1 in California’s marine mammal population.

The risk of H5N1 to the public remains very low. We’re sharing guidance on how to protect yourself, your pets and marine mammals – and how you can help.

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Elephant seal
three humpback whales feeding
In the News

Bay Nature: As Whale Populations Grow, Dungeness Crabbers Foresee Their Own Demise

March 22, 2023
  • Species conservation
  • Entanglement

Traffic at sea: Humpback whales are inhabiting waters off California in steadily rising numbers, and the Dungeness crab fishery must make room.

Published in Bay Nature: March 22, 2023

For seven hours, we stare at a gray, choppy ocean. An occasional pelagic bird soars overhead, but more than anything else there is just ocean. What the 20 passengers aboard the Amigo want to see are the humpback whales—acrobats of the sea longer than a school bus and as heavy as five or six elephants—that hang out along California’s coast from spring to fall feeding on krill and anchovy. 

Weepy fog keeps us shivering. A few crumple into seasick heaps. But as the boat heads back to San Francisco, luck changes. 

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