like this haunting image of an underseas boneyard. >> except that we put it there. >> reporter: as we journey along with these creatures -- wait, what did he just say? >> except that we put it there. >> reporter: he's talking about that whale skull on the sea bottom? >> we had a scientist who had this killer whale skull, and we asked him if he would bring it, and then we put it at the bottom of the sea. >> reporter: back in the "wolves" movie that dead animal the whole pack is feeding on? >> we found a dead animal. there's lots of roadkill around. so we put it there. >> you hauled that animal -- >> we hauled that animal to that place. often in this situation, we didn't do it here, but often in this type of situation people who manage these animals will put m&ms or something tasty in the innards of a dead animals. >> an m&m-stuffed animal? >> to make the animals feed on it. >> reporter: oh, no. oh, yes, says chris palmer.