CBS 2's Vince Gerasole reports on the work of a Field Museum ornithologist who studies birds. He says based on what he's seen, the dead ones show that the winged creatures are shrinking, thanks to..
Credit: CBS 2 Chicago Duration: 02:19Published 1 day ago
A new report from the National Audubon Society says climate change could have a devastating impact on birds--not just struggling endangered species, but the ones we see every day. John Ramos reports...
Credit: CBS 5 SF KPIX Duration: 02:26Published on October 14, 2019