talk to anybody. >> his mentor is brad, a naturalist guide who has been bringinging tourists here for 15 years. bunched together in tight focused groups, safety in numbers, he figures. >> i've traveled all around the world looking for wildlife. and there's no experience like this where we go in and we basically get along with an animal who almost everywhere else in the world hates people. >> under strict orders from the parks department never to approach these animals, we find a spot in the meadow at that to wait and watch. and within minutes, we're surrounded. >> one, two, three, four, five. six, seven. eight, nine, ten. it's rush hour.