Folks at REWILD.info have discussed the value of sign language in terms of rewilding. One of the users (jhereg) pointed out this blog that discusses Native American sign language.
That post led me to discover some great YouTube videos of vintage 1930s footage of Plains Indians signing. You can view the full set of them on tommyfoley’s Videos page at YouTube, and check out this sample from the series (part 4 of 6) that shows the signs for several varieties of flora and fauna.



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