Flying D News Today : Breaking News, Live Updates & Top Stories | Vimarsana

And threatening their existence. nbc news correspondent serry sanders has a look at the new effort to save them. >> reporter: i'm on horseback on the flying d ranch. this is ted turner's ranch in montana. 113,000 acres. home to bison. but unfortunately, buffalo are facing a new challenge. climate change. the mighty buffalo, also called bison. up to 60 million once roamed north america. almost hunted to extinction in the late 1800s, bison numbered then fewer than 1,000. today with a half million in north america the survival of bison's remarkable preservation story. but now signs of trouble. bi...

>> they're certainly a lot safer now that there's more of them. >> ted's bison herd is now the largest private herd in the world, 50,000 strong and spread out over 15 of his ranches. getting to this point, though, took a steep learning curve. >> what you're looking at here is 30 years of letting nature take its course, and ted having the vision to make this happen. >> my name's danny johnson. i manage the flying d ranch for ted turner and i've been with him for 25 years. it's about 113,000 acres, roughly 175 square miles. >> ted bought the flying d ranch outside of bozeman, montana in 1989 a c...

Park. >> back when we began, i said ted, nobody a's ever done this before. he said mike, we always do things for the first time, and he just walked away. i thought, okay, got it boss. that's the marker we're going to be guided by. >> at the core of this idea of saving everything, is that in order to save the planet, you have to save all the species that make up the planet from the biggest bison down to the smallest prairie dog, and including predators like the endangered gray wolf. a personal dream of ted's was that they find their way to the flying d ranch in montana on their own. >> it was j...

Heaven. >> i was with ted, and he gets a call from mike phillips, and mike says, ted, i've got good news for you. wolves have been seen on the flying d. >> ted was giddy, almost child like. >> gray wolves have been on this rarc ranch ever since. it is typically one of the largest packs in north america. we've got bison, elk, mule deer, white tail deer, antelope. >> today spread across the flying d's 113,000 acres. >> wolves, grizzly bears, black bears, mountain lions, bobcats, coyote coyotes, fox. >> you'll find more species than ranch manager danny johnson can list. >> golden eagles ospreys. ...

>> at the flying d, ted's ranch near boseman, montana he zeroed in on what he thought was missing from his land. >> why do you love the bison so much? >> well, because it's a native american animal and there were no cattle here when white man came. time to restore the native ecosystem. >> ted has made it his mission to save endangered wildlife, like the bison. he started the turner endangered species fund to make it work. >> the whole idea is to put wild populations back in place. there's nobody out there doing this kind of stuff. >> we've grown our bison herd to a fairly significant amount, b...