The gulf of time that separates these three knuckle heads from their wild grey brothers is likely tens of thousands of years. The grey brothers relish beaver, when they are available - not snugly locked up in an ice bound fortress of mud and logs and sticks. The modern brothers know that there are at least four beaver in the lodge - and they want them. I imagine this exact scene on a wilderness lake somewhere with the grey brothers thinking of spring time beaver kits for dinner. The gulf of time doesn't seem that great.