It can cling on walls, but if you fly backwards into the wall and try to cling you will face down, instead of up. Being able to shoot things below you and easely tame a wide variety of dino's that can't reach you, exaples are; Rex, allos carnos, anky's, and even thylacoleos by clinging on the opposing tree and shooting it, you will want to make sure you put a bear trap under you when taming, because they will flee out of range and escape your grasp because of their torpor. The tapejara may be hard to tame sometimes, but if will save you a bunch of recources for traps.