The Ankylosaurus is the most versatile mount in the game. Once you get an anky, gathering resources will become infinitely easier. Get an anky early, as they are easy to knock out and tame - my brother and I used slingshots. Once your anky is at 1000-1200 health, pump your levels into melee damage, and soon enough you'll be ripping through metal and obsidian nodes like a hot knife through butter.
An ankylo (leveled in melee) and a quetz or argy (leveled in weight) is the single best way to farm metal. Just pick the anky with your bird and drop it on metal rocks. Then get on the anky and hit the metal rocks. The ankylo’s weight does not matter since the bird carries all
Everyone knows that these are great for metal but they can also harvest berries very well with the alternate attack button. They are also the best around for harvesting flint, so are great when you’re looking to make a lot of gunpowder.