become a sea otter and see if we can get them used to my presence. you have to kind of gain the trust of the animal, let them know that it's all right for you to get close. they let you in, they let you in. >> mauricio soon finds the chungungo underwater. but unsure if he's friend or foe, they don't hang around. >> it's very exciting to see them in the water. they're here, mom and her two babies. but there's all sorts of places to hide. >> over the next couple of days mauricio perseveres, hoping the family will learn that he isn't a threat. but as he follows them to the shoreline, he gets a nasty surprise. >> i got slammed into a rock. it just came out of nowhere. i wasn't expecting it.