Massive Murre Die-Off Sparks Concern Along California Coast

Starving penguin-like murres flood rescue centers as climate change and El Niño impact marine life. Experts warn of long-term ecological effects.

Editorial Desk

September 18, 2026 One Min Read

POLICY WIRE — San Francisco, United States — A surge in emaciated common murres has been reported along the California coast, with dozens being brought to rescue centers for treatment. These penguin-like seabirds are facing a crisis as warming ocean temperatures disrupt their food sources.

The decline is linked to rising Pacific waters, driven by climate change and a powerful El Niño event, which have caused predator fish to outcompete the birds for prey. Murres, capable of diving over 300 feet, struggle to find enough food, leading to severe malnutrition and an inability to molt, a vital process for maintaining their waterproof feathers and swimming ability.

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Rescue organizations like International Bird Rescue are treating severely weakened murres, some suffering from a blood parasite that weakens them further. This situation echoes a similar mass die-off in 2014, when an ocean heatwave known as “the blob” killed nearly four million murres. Scientists say the current crisis could have long-lasting effects on the species, which reproduces slowly and relies on stable marine ecosystems.

Reporting by Policy-Wire (PW)

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