It is all very well to brim with Self Confidence, strutting one’s way from one situation to another. Some critters jump into action, knowing What but often, not Why.
However, perhaps it is a perk of being very Big Critters, that Rhinos must figure out what to do or think. We may be right, or We may be mistaken, leaving out some key feature of a decision. Intelligence can cause delay, but it’s a burden Rhinos must bear.