Share Your Sightings
Data collected by volunteers is important to help us learn more about butterflies in New Hampshire
Welcome to NH Butterfly Monitoring Network
The NH Butterfly Monitoring Network is a collaborative effort to engage volunteers in counting and identifying butterflies across New Hampshire. Data collected by volunteers can contribute to our understanding of long-term trends in butterfly populations and inform conservation actions for both common and declining species.
Find a Count
Join a local count circle to help collect valuable data on New Hampshire's butterflies.
Events
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Jun52:00pm - 4:00pm, Join Mark Ellingwood and a team of Harris Center naturalists as we search meadows and woodlands for crescents, blues, sulfurs, and other butterflies – and
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Jul31:00pm - 3:00pm, Join Mark Ellingwood and a team of Harris Center naturalists as we search for swallowtails, sulfurs, and other butterflies – and learn to identify them by
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Jul128:30am - 4:00pm, Rain Date: July 13, 2025
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Jul169:30am - 2:00pm, Rain Date: July 23, 2025Join butterfly enthusiasts for a day in the Seacoast region of the state to count butterflies and admire other natural wonders we may
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Jul1710:00am - 4:30pm, Rain Date: July 18, 2025