♪ let the wild ponies run >> reporter: now, once they leave palomino, they end up in long-term facilities in oklahoma and texas. and there are about 40,000 horses now that will likely spend the rest of their lives in those facilities. now jim, kieran, this coming year they may not need to round up as many. they're going to try a fertility drug. they're going to go, birth control/fertility drug that they'll give to 900 mares to keep them from breeding as quickly. then they won't have to round up as many. we'll see if that happens. >> i mean, every challenge breeds a new challenge. you can tell here. and the other question, too, is why do they need all of that care and everything. when they were in the wild, they were sort of in the wild. what change once they come to those facilities? >> reporter: well, you know what the issue becomes is that if they had been left alone, which