When one you've tamed is unconsious, GIVE IT BERRIES OR IT WILL STARVE! Their torpor drops majestically fast, i lost one to starvation. (R.I.P Syrup.) ^ to save many megaloceros lives, because syrup's was too late to save.
A female megaloceros should get a fleeing ability when it senses predators or enemy bases in PvP. And at least let it harvest berries ! If you want a suggestion for more it can do make a tip addressed to -Bobbert
These guys deserve more attention! Great harvesters, powerfull-ish if it's a high level, fun to have around, and if you are a Canadian you NEED to ride it!