Poor rabbit!

I want 3

You want rabbit penies? Ugh...

...the new penises have blood vessels and nerves that allow them to become fully functional. Indeed, the replacement penises worked like a charm. The rabbits were able to get erections, mate with females, and get females pregnant with normal, healthy pups.

I'll bet the author has been waiting all of his career to be able to pull out a quote like that.