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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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dead fin whale lying upside down on a sandy beach with researchers nearby
In the News

San Francisco Chronicle: Ships Are Killing Whales off the California Coast. Here's What Experts Say Will Save Them.

March 12, 2022
  • Species conservation
  • Pathology

Ships are killing whales off the California coast. Here's what experts say will save them

Published in the San Francisco Chronicle: March 12, 2022

The towering container ships and oil tankers that sail in and out of San Francisco Bay have a little-known dark side: They are a leading cause of death for whales that migrate along the coast between Mexico or Central America and Alaska.

But there’s a way to reduce the number of whales that often wash up, bloated and mangled, on Bay Area beaches this time of year, experts say. A new report recommends slowing the speed of ships on a large stretch of the coast, from Pigeon Point in San Mateo County to Point Arena in Mendocino County. The idea is to give whales a chance to escape mortal injury.

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