In contrast to the below, I'd rather hear or read indigenous accounts from over a hundred years ago, or even just before the 1950s. That had less chance of adopting at least a few influences from white pop culture, in the course of a reciprocal back and forth between the two. Tribes certainly didn't call it Bigfoot in the beginning, though Sasquatch was perhaps a native name in Canada. And the stories and descriptions varied in different regions:
Folklore and early records
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The first popular depiction of Bigfoot can be traced back to a series of articles published in 1958 by journalist Andrew Genzoli, which highlighted large footprints found by loggers in California. This coverage helped establish Bigfoot as a cultural icon and led to further media interest and folklore surrounding the creature."
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Indigenous peoples know it as the Guardian of the Land
https://youtu.be/ApbXUAAeAWw
VIDEO EXCERPTS: I think it's important for us, as Natives, to tell our stories and to pass them down to our children. And so they respect the land. And they show that there is something out there that we can't always explain, but we show respect for it.
I think that's part of like what I feel Sasquatch is, is he lives out there. It doesn't take and take, he just takes what he needs, and I think that's something that we can all learn by.
[...] It's interesting to see all of these "searching for Bigfoot" films, documentaries, docuseries. Where they're literally out there looking to find Bigfoot. Capture him, kill him. I don't really know what they're expecting to do. They'll never find him. Because Bigfoot is spirit.
Being a Native person, especially from the Northwest, Bigfoot is in all of our stories. Bigfoot is thought about, considered almost weekly in people's lives, almost daily.
Bigfoot has always been a part of our lives since the time that I can remember growing up and hearing stories. All of these stories are passed down through oral histories. Our parents would talk about what they had heard from their grandparents, and their grandparents told them what they had heard from their grandparents.
I never expected that I would be creating a piece for Bigfoot. And so when I'm thinking about this dress, I knew it needed to have shells. I knew it needed to have wood on it. I knew it needed to be a dark, dark color.
I've always liked Bigfoot. I've seen him a couple times. And here we say he, because you really can't see a gender, so we don't know if we're seeing a he or a she...
https://youtu.be/ApbXUAAeAWw