There’s a good chance you’ve never seen an American Chestnut Tree. That’s because they’re functionally extinct. 4 million of these giants were wiped out in a span of just 40 years! We haven’t seen numbers like that since the Passenger Pigeon episode. Or maybe the Rocky Mountain Locust episode. Or maybe another episode I’m forgetting. Tune in to find out what the heck happened. Leave us a voice message at: speakpipe.com/extinctioneventOr drop us a line at extinctionpod@gmail.com