You may be correct son, however have you ever seen Steve Irwin almost get run down? The video is out there . . . Long story short, they come at you in a pack ( on occasion ) can climb and swim. No beating those mother fuckers.
THE BEEF
Yup, I've seen that video. They will come at you from all sides, all they need is just one bite, and they know it. And when they do land that one bite, they will be patient, they'll wait around for Minutes, hours, or Days until Their prey croaks over and then they will go to town and eat everything, flesh and bone.
In the past it was thought that they had a bacteria in their saliva that gave them that one bite advantage they use to poison and take down big ass animals like wild buffalos but recently studies have shown that they actually have very potent venomous glands in their mouths that they secrete their poison when they bite their prey! If you are alone and you are bitten by one of these fuckers, you are done for, and they will start eating you while you are still alive. Scary ass mother fuckers!
I think this is probably the closest animals to the dinosaurs- well sharks too, been around a fucking long time!