Bigfoot researcher and biologist John Bindernagel claims his research group has found evidence that the Yeti (a Russian "cousin" of the American Bigfoot) not only exists, but builds nests and shelters by twisting tree branches together.

"We didn't feel like the trees we saw in Siberia had been done by a man or another mammal.... Twisted trees like this have also been observed in North America and they could fit with the theory that Bigfoot makes nests. The nests we have looked at are built around trees twisted together into an arch shape," Bindernagel told the British tabloid The Sun.

Tree twisting, also called splintering, has been claimed as Bigfoot evidence for decades throughout the Pacific Northwest and elsewhere. In some cases tool markings have been found on trees said to have been twisted by Bigfoot. This suggests that the creatures are even possibly more intelligent than previously suspected and may be able to somehow locate and use pliers, monkey wrenches, and other common hardware tools. [10 Mythical Beasts That Might Exist]

Unless the marks were made by human hoaxers.

Although many of the "mysteriously" twisted tree limbs are conveniently near ground level, some are found at the top of trees. Bigfoot researchers claim these are stronger evidence of the Yeti's existence, because whereas any hoaxer could easily twist small, waist-level branches, only a Bigfoot-like animal would be able to climb up that high.

However, that raises the not-insignificant question of how a huge, heavy animal would get to the top of a tree without breaking it, or at least snapping a few branches on the way up. Bigfoot are often said to be between 8-and-12-feet tall and weigh several hundred pounds; surely if such a tall, heavy animal made its way up a tree – most of the trees that have been found twisted are spindly in nature – there would be much more obvious damage than a few woven branches at the very top. And if Bigfoot and Yetis spend time perched at the tops of trees doing arboreal decorating, why aren't they spotted more often?