Not a single chick has survived this year at the world's largest colony of Caspian terns. Researchers call it "complete colony failure." Meanwhile, on the very same island in the mouth of the Columbia River, the world's largest double-crested cormorant colony also faces mass nest collapse.
In the Pacific Northwest, the environment is personal - it's where we live, work and play. Oregon Public Broadcasting's Ecotrope will bring you news and insight on the region’s environmental issues. Site curator Cassandra Profita is an award-winning reporter with degrees in journalism and environmental studies.