Alex Figueroa, who shot one of the clips, estimated the larger gator to be 11 or 12 feet long, according to a description he posted on YouTube.
Andrew Lilyquist, who shot the clip at the top of this page, told WFTS in Tampa that he'd heard about gator fights and went hoping to catch one on camera -- but he hadn't expected to actually see one.
"My heart was racing," he was quoted as saying. "I just saw that big head and I said ok this is going to be great."
Another clip, filmed by Octavia Heart, shows what appears to be the same gator in another location at the reserve having a gator snack: