At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

As it mutates, the bird flu has seemingly been able to infect other bird species, pets, other kinds of animals and, on rare ...

Florida’s warm climate makes it a haven for invasive Muscovy ducks and Egyptian geese, not to mention feral chickens. As bird ...

Roughly 200-300 ducks have been found dead in Chicago and the northern suburbs around Lake Michigan in recent days, according ...

The infected birds "present with tremors and little ability to move," said a local conservation group tracking the outbreak.

The largest concentrations of sick mergansers were found Saturday at North Avenue Beach and Oak Street Beach. Other birds ...

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...

Chicago Bird Collision Monitors advised residents who happen upon them to avoid handling birds with avian influenza symptoms ...

The highly contagious bird flu has hit Montgomery County, Maryland, where officials say a backyard flock of chickens tested ...

A strain of the H5N1 bird flu virus that has typically spread in poultry and wild birds recently jumped to dairy cattle in ...

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the ...