El Niño, not avian flu, caused the deaths of hundreds of birds in Mexico, government says

FILE - Birds perch on barriers separating Mexico and the United States, where the border meets the Pacific Ocean, in Tijuana, Mexico, Nov. 17, 2018. When hundreds of birds were found dead along Mexico's Pacific coast in early 2023, experts immediately suspected avian flu. But the government said Thursday, June 15, 2023, that the warming Pacific ocean currents associated with El Niño, not bird flu, were responsible for the mass die-off. (AP Photo/Marco Ugarte, File)

MEXICO CITY (AP) — When hundreds of birds were found dead along Mexico's Pacific coast earlier this year, experts immediately suspected avian flu.

But the government said Thursday that the warming Pacific ocean currents associated with El Niño, not bird flu, were responsible for the mass die-off.

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