Rhinos are always on the lookout for Cunning. Cunning slithers up unexpectedly; the unwary Rhino has to be alert.
The important issue here is that Rhinos are not a Cunning species. We are trusting and often gullible. So We need to be vigilant.
Armed with a Sense of Scent without Equal, Rhinos know when a situation stinks. Then We Address Matters. You knew that all along, right?