NARRATOR: Individually placed decals, like bird of prey stickers, don't work ... (wings flapping) ♪ BRIAN: These wild animals are on a tightrope walk. If we change the balance just a little ...

But researchers say something ominous is happening in wild animals and not just birds. NPR's Gabrielle Emanuel reports. GABRIELLE EMANUEL, BYLINE: Last year, Marcela Uhart was walking on a beach ...

Since October 2021, more than 117,000 dead wild birds — from 315 species in 79 countries — have been reported to the World Organization for Animal Health. But because many wild bird deaths are ...

They don't climb over mountain ranges. The one animal species that does is birds," says Osterholm. Traveling in infected wild birds, the virus took off and jumped over to North America in late 2021.