Today's
Monster Monday is a twofer: the humble beaver and the moderately less humble dire beaver which had six-inch teeth and was roughly the size of a black bear. Why am I talking about dire beavers like they were a real thing? Because they were.
Castoroides leiseyorum roamed southern North America 1.4 million years ago. Its relative,
Castoroides ohioensis ranged across what is now the northern United States and Canada from about 130,000 years ago up to at least 18,000 years ago. Ice Age North America wasn't just mastodons and saber-toothed cats; we had all kinds of crazy shit, like cheetahs and camels and
saber-toothed salmon.
There is some debate among paleontologists as to whether Castoroides built lodges and dams. The shape of their teeth would have made them less efficient at cutting down trees than modern beavers, but it is known that a closely related genus of prehistoric beaver (
Dipoides) built lodges, and a Castoroides fossil was found in association with
what may have been a giant lodge in 1912. Regardless of paleontology, the dire beaver statted up below definitely builds giant beaver dams and lodges, because that is too cool. Modern normal-sized beavers have a tremendous effect on their local ecosystems by creating artificial ponds. Imagine that but an order of magnitude greater. Giant beaver dams would create huge ponds that attract all sorts of other creatures, from mundane fish and birds to nixies and shambling mounds. A giant beaver dam might flood valuable farmland, creating conflict between farmers and the local circle of druids. An older giant beaver dam might have become corrupted, home to oozes, aberrations, and - of course - skeletal dire beavers.
Lest we forget, normal-sized beavers are statted up below as well. While they are less likely to serve as foes for low-level adventurers, beavers can act as familiars, granting their master a +3 bonus on Knowledge (engineering) checks. They can also be prime targets for hunters and trappers, as they were in real life. Beavers were historically prized for their water-repellent fur, which was used to make, among other things, top hats. Beavers - both North American and European - have also traditionally been hunted for their castoreum, the secretion of the scent glands. Castoreum is used in perfumery and in some traditional medicines. In the Middle Ages, it was even used to increase the production of honeybees. Any hunter or trapper who bags a beaver stands to profit not only from its fur but also its extracted castoreum. Fun fact: because the castor glands are located near the beaver's testes, an ancient legend first attested in the works of Aesop but carried on by ancient and medieval naturalists says that beavers will gnaw off their own ballsacks to escape hunters.
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