In British Columbia, grizzly bear genetic groups and Indigenous language families share near-identical boundaries: https://ecologyandsociety.org/vol26/iss3/art7/β¦ Writeup in Science: https://sciencemag.org/news/2021/08/mind-blowing-grizzly-bear-dna-maps-indigenous-language-familiesβ¦
Geography usually marks the boundaries of human language groups, with different geographies driving different language characteristics
So not crazy that bears and human languages are both bound by geography? (Mountains vs Plains separated by rivers etc)