Grizzly bears in the contiguous United States have been taken off — then put back on — the endangered species list twice since they were first labeled as threatened almost 50 years ago. Now, the issue is on the table again. Today, we get into the complicated science behind grizzly recovery, how humans have sliced up their habitat and what it will take to stitch that habitat back together again.Interested in more charismatic megafauna? Email shortwave@npr.org. We've love to consider covering your favorite on a future episode! Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy