Watch a bat plague spread county by county across North America, winter by winter from 2006

An animated map replays thirteen winters of white-nose syndrome from USGS county records, with the hardest-hit species and a per-state arrival date. You can pick your state to see when it reached you.

Notes

Hosted on a GitHub Pages project page; maker is identified by first name only (Substack 'Myles'). Maker doesn't name tools on the post.