A little over a year ago, Marcela Uhart was walking on the beach in Punta Delgada, Argentina. It was peak breeding session on this peninsula known for its rich marine wildlife. Usually, the salty ...

Frigatebirds can remain airborne for days at a time without landing. Here’s how they rest while flying, according to ...

That's the way one scientist puts it — referring to how infected wild birds survive long enough to spread it to birds and mammals around the... It's like 'dead birds flying': How bird flu is spreading ...

In the U.S., bird flu headlines have focused on an unprecedented number of American cases and the impact of the virus on dairy cows and on poultry. In this May 22, 2018 photo, ruddy turnstones, larger ...