How to tame them? You need to trap it, and then shoot IT with tranq arrows or tranq darts. Then feed it berries.
Maewing
The Maewing is a platypus-like gliding mammal and swift all-terrain mount. It doubles as a mobile nursery, carrying and nursing young creatures.
How ARK players tame and knock out the Maewing: what to feed it, what to knock it out with, and how to keep it safe.