The Rat Room

Yes, you read that right. Rats consume their feces in order to recycle or redigest the nutrients. It’s completely normal. If he’s feeling the need to engage in coprophagia that usually means something is missing from his diet and stopping him is not a good idea.
Although it may completely disgust you, try to remain calm and accepting… and turn away when you see sweet little Rex pick up his poop and eat it.