Ever cut one down? It's sticky as heck! They don't like the sap.
They probably also have an awful bitter taste as well.
beavers cut down trees to keep there teeth short and to make dams
Spruce would be the answer.
Beaver
It all depends on the beaver and the tree. Especially how thick the tree is. Learn more at the related link below.
A spruce tree is a coniferous evergreen (pine needles and cones) and most maple trees are deciduous (leaves fall off).
A spruce is an evergreen tree of the family Abies.
A spruce tree.
A spruce tree lives in areas with moist soils, for example, the slopes of the Rocky Mountains, near streams.
Spruce is an evergreen conifer.
spruce
its a tree
It should be--- Behind my house is a tall blue spruce tree.
The Sitka Spruce.