jim schneppel knows this range and its horses well. >> we are going to go out and see hopefully the bigth end of davis mountain. >> he works with a non-profit desperately trying to find a humane and effective way to control the horse population. because although this land seems limitless the blm says the resources here can only allot for the survival of so many. >> they've set what they call appropriate management levels, aml. it ranges between about 120 to 180 horses. and we think that's far too low. >> reporter: my god, they're so beautiful. being able to be out in the wild with this herd of wild horses, it's really unlike anything i've ever experienced before. >> anybody who loves horses can tell you there's this natural connection you can develop with them. >> reporter: but horses aren't the only animals on the range. bureau of land management controls 1/8 of the country's land mass but leases over 60% of it to ranchers. because their livestock rely on the same resources the wild horses do, some ranchers want the horses pushed off the land. >> what are the options after roundup for