This isn’t my video, but it’s too awesome not to share it. I hope you can see it. It was posted to Facebook: https://www.facebook.com/diane.stewartcarrier/videos/10205325645240886/
I’ve been wanting to film something like this with a Pipevine Swallowtail caterpillar. It looks like these folks had their Monarchs in a terrarium. Maybe that’s the best way for me to go, too… I’ll have to wait until next year, though, when the Pipevine Swallowtails are out and about again.