On a 135, 13 crossbow shots DO have a chance of killing it.

you want to hit his feet because it gives the most torpor

I used long rifle and darts worked. The eggs look like eyeball

They are skittish but not anywhere near faster than humans. They have low torpor and health, so tranq darts are recommended. Tamed like any carnivore, kibble is Archeopteryx. Can be found anywhere in and around the swamps.

If you want to know where to find them I will tell you they live in the swamp