Just harvest stone and drop it on the ground near them to tame. Crystals and gems work too, but stone works best. Much easier to gather than owl feces.

WHERE IN THE WORLD DO YOU FIND THIS THING

So If you drop berries near a gacha baby it will pick them up even if it is encumbered

Gachas are a passive tame creature.

Very easy to raise, just drop tons of stone infront of the baby. It will keep picking up stones no matter what it's weight cap is.you can fill unlimited stones like this and will never have to hand feed.

Feeding greenhouse ceilings has around the same taming effectiveness as metal and tek structures. Get this added to the calc.^^^^

Warning. Using snow owl pellets no longer gives high efficiency. It is only as good as using stone structures.

I took my argentavis and a doedicurus. Gathered as much stone as the doedi could handle (a few thousand), then dropped stacks of stone (from my inventory) a few at a time (short spoil time, be aware). A level 145 only took a few minutes this way.

Don’t know why it’s not listed but greenhouse ceilings are way better than metal structures to tame these. Even on 1x rates 150 GH ceilings will tame a 150 in seconds with almost 100% effect