Jackalopes are rabbit/deer hybrids from folklore. Folklores about these things were inspired by a sighting of a rabbit suffering from a tumor-disease that causes it to grow horns. For info on this amusing species, click here. [link]
I just wanted to let you know that I put this in an art feature in my group , in the article "Realms of Fantasy and Myth: Week 52 - Jackalopes" You can find it here: [link] ^_^