Yeah, it's definitely the middle of the suburban road setting that makes the kangaroo video especially interesting.

It wouldn't be a Chumash burial site, since they live in south-central California. Wikipedia informs me that the Lenape were the tribe who originally inhabited Manhattan, so if any burial sites got disturbed it would be theirs. Unfortunately I suspect that any of them buried in NYC have been disturbed many times over many years, so who knows why the sudden bear now.