Who else thinks that these should be able to build wooden spike walls and dams when tamed?

They know longer cut the weight of wood by 1/4. They reduced it to 1/2.

To get stuff frot their dams place a sleeping bag, transfer the whole dam inventory then let them kill you. After respawning retake your stuff again, they dont attack you anymore.

Thumb up pls,for help.

If you carry a wild Castoroides and put it in your waters it will make its own dam. Easy materials in bulk!Press the up arrow so everyone knows!!!!!!!!!!!!!!!!!!!!

Their saddle acts as a mobile smithy, team it up with a horse to get the ultimate travelling team. The horse saddle = a smithy and the beaver saddle = mortar and pestle so you can craft gunpowder while on horse, and then transfer that to the beaver, so you can make your grenades and such on the go.