Easiest thing to do to take this dude is:

1. Get a few wooden signposts

2. Make a square or triangle with them. (Optional, but harder (skips step 3): do this while the 'pithecus is walking around)

3. Use argy to carry into signpost trap

4. Feed it

5. TAMED!!!

More Gigantopithecus Taming & KO Tips