View And Explore Data

This map shows firefly observation data for the current month. To view previous data, choose a year, and then select a month to see all habitat observations for that period. Click on an individual marker to see that participant's first and last recorded observations, as well as their single highest count from that month.

Fireflies spotted: at least one firefly has been observed at this habitat.
No Fireflies spotted: no fireflies have been seen in this habitat.

Volunteer to share your observations of fireflies in your backyard — no special scientific training required.
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We've made our full data set available online, and you're invited to interpret it.
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Observing fireflies is a great summer activity. Join our network of volunteers and track your sightings throughout the season.
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Wear bug spray to protect yourself from mosquitoes, but take caution if you're handling fireflies.

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