small exhibit

I'm fairly new to Planet Zoo, so forgive me if this thread has existed before. But I thought it would be fun to throw this concept out there for those who really want more small exhibit content. So imagine this, there is a new dlc based on small exhibits, with a whopping 10 new species... 3...

Considering all we have in regards to Exhibit Animals are a collection of amphibians, reptiles and insects, I think we could use some fuzzy representatives among our little critter friends. Stuff like voles, jerboas, meerkats and such.

I don't know if I'm being dumb? I bought a little enclosure and got some Golden Poison Frogs.. My issues are, I can't find a way to lower the humidity? And also are they automatically fed and watered because when I've tried to place things they're half in the wall or floating outside?! Help!!!