The animal must be healthy. A quick check of its bowels will show if the elekk has been fed properly. Nothing worse than a mount with digestive problems, I think you will agree.
Finally, use WoW's rather unrealistic non-collision platform to walk inside the beast and jump. This will give you an idea of what you look like atop the noble beast. After much indecision, Lynda settles for a Gray Elekk, pays her cash and names it Orwell.First order of business: Stamping a Blood Elf to death. YAAAAA!!!