https://apnews.com/article/mexico-el-nino-bird-deaths-avian-flu-environment-9bcceaa7d024c8aa51816099428f0df7

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.