How to tame One of these manes:

Need: 40 tranq arrows, 2 raw prime meats/40 raw meats, 30 biotoxin/ narcotics (biotoxin recommended) 15 simple shotgun bullets/20 simple rifle bullets(recommended)

Knockout: Shoot tranq arrows at him (try to hit its Head)

Tame: give It 40 raw meats/2 raw prime meat

Now You tamed One of these :)