Thanks, Vaj for inspiring me to look for a real "Horns on a rabbit" creature:
The Buddhist doctrine for this world Is not to be separated from worldly knowledge. To search for enlightenment apart from this world Is equivalent to seeking horns on a rabbit! Hui Neng It's #10: Ceratogaulus Rhinoceros. The Wired caption says "This explains why there were no good golf courses in the Pliocene epoch". http://www.tinyurl.com/2ltzbz