It's been a while since I really did something on Subeta. Now I'm sorting out my stuff and I find an option for a Minion Zoo. Several questions popped up.
What is that? What does it do? Can I take the minions I've put in there, out of it again? Where can I find it?
It has been such a long time so flipping through all the news messages would take forever.
To my knowledge there was never a news post about it. There was a testing thread up in the Gold Account Beta Testing subforum, though. Not sure it ever went farther than that.
This has more info: Minion Collections / Battling
it is in Beta, so you as a GA member are allowed to test it out. The link is in the GA section of the Forums, in the Beta subforum.
If your GA expires you will lose access until the Zoo gets implemented live for everyone, so getting your minions back out afterward might be problematic. We have been assured by staff that no Minions put in there will ever be lost, regardless of GA status.
Right now, any Minion that's in the Zoo is impervious to Account Search so you have to go to the Zoo yourself and do a Find if you want to know if you have any of a particular minion already in it.