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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
California sea lion pup

Marine Mammal Monday: Sea Lion Birthday

Ages: 10-14 years old

  • Behavior
  • Climate change
  • Natural history
  • Marine science careers
Virtual Program

Did you know that most California sea lions are born in the first two weeks of June? It’s true! Watch Marine Mammal Monday: Sea Lion Birthday to learn more about sea lion birthdays and our sea lion patients. Then, celebrate this incredible phenomenon with us by continuing to observe and learn more with the activity below.

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