A Rhino Riddle: How many Rhinos does it take to change a lightbulb? Answer: Change it into what?

We Rhinos appreciate the Academically Authenticated as much as the next species; a crowd recognized by their peers for Uber-Smarts.

Congratulations to them. BUT, how may Uber-Smarties does it take to change a lightbulb? Hmmmmmmm?