Two kids running in the snow. We all need nature—and nature needs you. Together, we can protect the wildlife and wild lands of Massachusetts for generations to come. Make a tax-deductible donation today.
Two kids running in the snow. We all need nature—and nature needs you. Together, we can protect the wildlife and wild lands of Massachusetts for generations to come. Make a tax-deductible donation today.
Fireflies
© Jonathan McElvery

Firefly Watch: 2023 Observation Maps

2023 Firefly Observation Data

The map below shows 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.

"Visualization of firefly reports in 2023" created by Matthew Smith and Mapbox volunteers Lo Benichou and Sam Fader.