Beavers may engineer a hollow portion within a dam to use as a lodge or build a separate lodge in the pond, using the surrounding water as protection from predators. The only entrance is underwater.

In spring, summer and fall, the cliché “busy as a beaver” is a pretty good description of this dam building rodent. But the way researchers describe it, the winter lodge-life of a beaver family sounds ...

That's why when I was scrolling through and found Wildlife Rescuer's video of a baby beaver collecting branches ... since their lodge entrances are typically underwater, and it creates a stable ...