Comment on Piersons' Puppeteer by Abiogenisis

I wanted to stay true to the rat-cat side of it, but also how Niven describes them as "bipedal tigers" as opposed to cat-men. The big mistake most people make drawing them, is making them look like furries or anthros, even the book covers are guilty of this. I like the fact that they have retractable ears that are like bat wings, no earth mammal has ears which retract into a hole in the skull. All in all, I think Niven did a good job at making it "mammaloid alien" but not "mammal". The text mentions that a zygote in a reproducing Kzin is actually formed from two ovum, one from each parent, and no sperm, Kzin don't have them. Also, there was reference to "belly struts" instead of ribs, which has been drawn as a lattice instead of a ribcage, also that they have a mouth full of similar sharp teeth, instead of heterodont molars, canines, incisors, etc.