These big birds are one of the greatest dinos in all of ark they are great for obsidian, metal and crystal runs on the biggest mountains. Try to tame a high level as you can get better stats (that’s pretty obvious I know). The main stats you should upgrade mainly for material runs is weight to carry for things, stamina so you don’t have to keep stopping for rest, and movement speed so you can have multiple runs of materials if you don’t want to upgrade weight.
If you don’t have one, get one NOW. They are pretty easy to tame, and are great for transport and carrying things, whether it’s resources or creatures. Find them around mountains or in the snow. Pretty easy KO with tranq darts. The only problem is that they’re kind of slow! Thanks for reading!