Firefly Watch: View & Explore Data from 2019
The map below shows 2019 firefly observation data. Click on an individual marker to see a participant's first and last recorded observations at that location. See the legend below the map for an explanation of the "fireflies seen" icons.
"Fireflies Seen" Legend
Icons indicate the average of all 3 counts submitted per observation period.
1-5 fireflies seen
6-10 fireflies seen
11-25 fireflies seen
More than 25 fireflies seen
Firefly Density Map
We worked with volunteers at Mapbox to create a visualization of firefly report density from the observations collected during the summer of 2019. Adjust the slider to see how the reported firefly numbers vary week to week through the summer.
"Visualization of firefly reports in 2019" created by Matthew Smith and Mapbox volunteers Lo Benichou and Sam Fader.