The First-Ever Interactive Time-Enabled Map of All Historic Passenger Pigeon Records

In partnership with Ben Novak of Revive & Restore, the world's first de-extinction biologist, I created the first-ever interactive map of all known historic records of the passenger pigeon (Ectopistes migratorius). 
The image above shows it in use, with the time sliders covering a 1760-1885 range, the legend in the upper right corner folded out, and a nesting site record in Petoskey, Michigan clicked on.
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Here's the link to view it in a browser window.

Note the adjustable time window (it starts set to only records from 1567) that allows the user to look at passenger pigeon records from any period! Move the blue dots apart to move the time window.