A really big cat.

This a photograph (with no graphics tricks) of a Liger, which is a cross between a male lion and a female tiger (the reverse is called a Tigon)

The folks in the picture with the animal clearly demonstrate it's scale. (Yes, I know they look like refugees from the movie Barbarella.)


Here is another picture of the cat standing: (over 12 feet)


This particular animal weighs over 900 lbs which is heavier than the combined weight of it's parents. Ligers can breed as well. Go here for more pictures.