Rats are Bastards

Male rat intros are hard. I’ve always just dumped new girls in the same carrier or small hamster cage as the residents and the most aggro I’ve ever had was from Ren, who looked annoyed and fluffy for an entire afternoon until she finally relented and accepted the new rats. A little bit of pushing and shoving, but nothing more than that. This is the first time I’ve ever had to introduce boys. I’ve read up on it, got advice from a few long time rat keepers, and thought I had found the best solu...