lunedì 2 maggio 2016

NYT Science: After a Comeback, New Challenges for Yellowstone’s Grizzly Bears

After a Comeback, New Challenges for Yellowstone's Grizzly Bears
By JIM ROBBINS

Being "delisted" as threatened under the Endangered Species Act could subject a larger bear population to new challenges.

Published: May 3, 2016 at 06:00AM

via NYT Science http://ift.tt/1TGh9dh