Just gonna leave this response from our beloved Ark team here, in case some pople have not seen it yet ^w^
Btw, do not lose faith in Ark, do not start hating it, they are doing everything they can to make our game great - its just still in development:
"Without taking forever to deep-dive into this stuff, the one thing that I think everyone can agree with, or that most people seem to agree with, is that "it had to happen", and "you guys should have just done it less".
Both of these statements are true, but in the long run, the way we choose to make these changes are with broad strokes, followed by incremental buffs. That's how we work. [....] Either you guys get furious at us over several weeks as we nerf your fliers again and again, making them weaker and weaker, and you hate us for that, or we do it all at once and buff them, and you hate us all at once and then things get better.
Our overall goal with this re-balance is to define roles specific to each of the fliers. The roles look something like this:
Ptero - Fast, sprinting scout, with low hp/stamina, but quicker stamina recovery. Fastest flier in the game (except for wild wyverns).
Argent - Tanky fighter, can scrap well and take some hits, high stamina/carry weight compared to all other fliers (except Quetz), while still maintaining some agility.
Moth - "beginner" mount, lowest stats across the board for explicit travel or fighting, but a powerful special attack for specialized use.
Pelagornis - Versatility flier with generally low stats, but unique functionality, and other special abilities to offset its lack of direct stat power.
Quetz - Sky Bronto. Slow, extreme stamina, extreme weight capacity, good for prolonged sieges or for moving massive quantities of things to and fro. High health pool, but extremely poor maneuverability and very vulnerable.
Tapejara - Tactical flier. Between the Argent and Ptero for overall stats, but with multi-mount support and latching abilities, it can carry well armed players in and out of the battlefield or to remote locations.
Wyvern - Lord of the skies. Low stamina, moderate move speed, poor agility, but extreme power and versatility.
This is how we see them conceptually, and the overall "feel" we want to aim for when we finally say "yeah, these are in a good spot".