Best way to tame these is to do the following:
-Make 12 thatch walls 1 foundation and 3-4 wooden ramps.
-Go to the desert on ran and make a 1x1 going 3 walls high place the ramps accordingly to were the tame is
-Kite it up the ramp and then go up to it and feed it spoiled meat
Easiest and safest way to tame this is to lure it under water. They stop aggro and you can tame as you please. Just make sure you come up for air every once in a while. Also be sure the water is deep enough.