Tame them by getting their eggs. Use a whip while you're grappled to a flyer. They need five fireplaces to hatch. It doesn't take that long for them to grow, but to hatch them it's thirty minutes. They can be found easily on the white cliffs along with their eggs. I don't care if you like this or not I just wanna give tips.
Fast, Agile, Can climb, Latch on bigger creatures and pounce on smaller ones, can glide a bit and doesn't take fall damage, does good damage and even inflicts an stackable bleed and Saddle is just lvl 32.