Publisher: USGS | Format: URL
www.usgs.gov — Long-term trends in landscape conditions have significantly reduced sagebrush habitat and populations of greater sage-grouse, according to a new study examining the bird's chances of survival. The species, which is being considered for listing under the federal Endangered Species Act, has experienced significant population declines in recent More...
Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: .PDF
www.fort.usgs.gov — Migratory birds face many changes to the landscapes they traverse and the habitats they use. Wind turbines and communications towers, which pose hazards to birds and bats in flight, are being erected or proposed across the United States and offshore. Human activities can also destroy or threaten habitats critical to birds during migratory passage, More...