Liliger! Yes! Not just a Liger, but a Liliger. Triplets were born in the Oklahoma Zoo to a liger mother and tiger father! Ligers are rare, but Liligers even more rare. As I understand it, two ligers would not produce an offspring, nor could a female lion and male liger. (It has something to do with the female XX chromosome, though don't ask me to explain it.) They've also bred Tiligers! Here's an article and a pic of one of the cuties: Yahoo!
I do love cats in all shapes and sizes!