This thing is actually very easy to tame. All you need is a slingshot with around 20-30 ammo and 2 bolas(prepare some meat to tame).

You're likely find them in a group of 3. Lite one out and bola it while it sprinting towards you, then fire 4-5 shots and bola it again. Make sure there's no threats around the area, it will take around 5 minutes to tame.