Takes

Bigfoot is a prehistoric ape called Gigantopithecus that hides its tracks by burying its dead

There's actually a giant ape, a prehistoric ape called gigantopithecus... If they were burying their dead, it means that they have ways to cover up their tracks. So if they like kept going on this, they could definitely figure out ways to like totally avoid humans at all costs like secret tunnels and stuff under the woods.