This may or may not be old news by now. Regardless, I felt the story merits 5 seconds of our time.
"The bull would stick his head under water and surface again and didn't seem to mind Jeff's presence. Odd behavior for this time of year for sure! Jeff was enjoying this site and relishing the moment, until one of the bull's dunks seemed to take too long. Curious, Jeff paddled over to the bull which had now been submerged for a very long time." Read on at Ernie's House of Whoopass