From when they hatch until they are about 5 years old, bald eagles' heads go from brown to splotchy before maturing into the ...

During the most recent fall bird migration in September and October a group of staff ... entrance to the county ...

The exceptional thing is that the specific federally endangered bird known by scientists as “LeVeL” is back to where it was ...

The writer is a contributing columnist, based in Chicago Watching the first birds fly south outside my window overlooking Lake Michigan is ... which is the autumn migration along the Mississippi ...

Officials with the agency said Michigan now has a total of 30 dairy ... It has grown into a widespread and highly lethal threat to migratory birds and domesticated poultry. And bird flu in dairy ...

Migratory birds are able to navigate over great distances with remarkable accuracy. How exactly birds determine their position during the navigational process, however, is still not fully understood.

At the peak of the southward-migration season, millions of birds stop there. But intensive farming and development have destroyed more than 90 percent of the Central Valley’s wetlands ...