. >> zool ift lucy okay and i are about to pose as curious customers, armed with only our hidden cameras easy to buy rare and wild animals. he's skeptical but agrees to unveil one of the hottest selling animals in these parts. >> wow, what is this? >> it's a sloth. >> inside a small crate on this dirt floor, a rare species of cloth and her two babies, all for sale. >> the two babies are clearly clutching the mother, and they don't want to let go. they're all for sell, but they're willing to sell them separately. as you can see, it's -- >> what do i need to do to take care of them? >> the local guide translates as we start asking questions. their knowledge of sloth care taking seems limited at best. >> cow's milk for these animals. >> all the ones that are raised in captivity -- >> lucy says the prospects for this family are bleak. >> just fed them cow's milk. >> reporter: when they sell them, do they sell a lot? but the more questions we ask, the more suspicious they become. people from the village are gathering around us. our guide is now worried about his safety. >> that guy is suspici