Researchers are reporting mass die offs of wild birds and sea mammals due to bird flu. They're tracking the deaths to better understand the virus and how it might create a greater threat to humans.

PLYMOUTH – Colleen Gallagher Vissa has a beautiful view of Billington Sea from her kitchen window ... lately as a suspected outbreak of bird flu has caused a huge die-off of waterfowl.

Birds come in all shapes, sizes, and colors, and their ability to soar through the skies has always captivated us. But when ...

NAGAHAMA, Shiga Prefecture--A Steller’s sea eagle nicknamed the ... an official at the Kohoku Wild-Bird Center in Nagahama witnessed it flying over Mount Yamamotoyama. Its identity was ...