An Alaskan Mine Threatens the Site of the World's Largest Gathering of Bald Eagles
February 03, 2020 —
In the Chilkat Valley, eagles, bears, and people depend on healthy salmon runs. A proposed mine could put the entire ecosystem at risk.
A Shaky Song Reveals an Old Sparrow's Age to Younger Competition
January 31, 2020 —
Birds can lose their singing skills over time, and according to a new study, Swamp Sparrows use these clues to identify territorial threats.