Look up when you're in Philadelphia and you might just see a bald eagle. But what makes Philly a good home for this once-endangered bird? The Delaware.
Fewer eggs hatched in songbird nests exposed to noise of compressor stations than in nests near quieter locations. Birds were spending less time on the eggs.
The imperiled West Virginia northern flying squirrel needs rare red spruce forests to survive. So forests managers are planting a new one, ready in 50 years.
Interior's rule to weaken bird protections that favored the oil industry was thrown out by a judge. But the Arctic National Wildlife Refuge will open for drilling.
A change to the Migratory Bird Treaty Act drastically weakens how birds are protected. A former official who managed the bird program for 30 years speaks out.