In Our Shadow Part 2 Page 126 (Patreon)

I guess Sage wasn't too worried that the wall got cut out right next to him and the baby. He is an idiot after all, that's why he needs to have that screen of tips up while doing baby stuff. ^^

This lab rat colony is a more direct reference to John Calhoon's mouse utopia experiments, even though the entire story kind of is ^^