4 ms·(Maybe the real rats smelled like food, were a sign of food, etc.)by nxzero 10y ago(Maybe the real rats smelled like food, were a sign of food, etc.)gweinberg 10y agoMaybe, but in that case you'd expect more male rats to be cage openers than females.nxzero 10y agoNot following, what's the link between male rats, opening cages, and foraging for food?