A fast-moving bird flu outbreak is devastating marine mammals, with massive losses reported across South America’s coasts.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Bird flu has been linked to ...

It's the first time H5N1 has been recorded in a local marine mammal.

Two wild mountain lions on Washington's Olympic Peninsula have succumbed to bird flu, marking a troubling development in the spread of the disease across species. The Washington Department of Fish and ...

PORTLAND, Maine — Avian influenza is killing tens of thousands of seals and sea lions in different corners of the world, disrupting ecosystems and flummoxing scientists who don’t see a clear way to ...