They take half weight for crystal,metal,and obsidian.

Getting a massive TLC update in March 2018. The saddle will act as a mobile smithy, Argentavis will be able to carry with Talons as well as with its beak, reduced carry weight on obsidian and a few other unannounced resources (similar to the mammoth and wood), and will also gain a Rapid HP Regen upon eating (likely from devouring corpses and not specifically food from inventory). Like so people can see!

If you want to easily farm with A doed or anky, stay still while flying by a metal rock or normal rock and they will automatically swing

These are great for taming small Dinosaur because you can hold it above while your team fires tranq and you can also go gather prime with it