Search thtough the red wood trees for them sitting on their trees. Pick them up eith a quetz and put them into a taming cage. Use a bola while tranq it with arrows or darts.

Use cooked meat(cooked mutton) or even better titanboa kibble.

When tamed they have incredible high melee and health similar to the spino. Also they can climb up manmade walls, which makes them perfect for raiding on pvp servers.

More Thylacoleo Taming & KO Tips