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2019 Annual Butterfly Count

Saturday, July 20, beginning at 10 am.

RSVP required to, 703-490-5200. You'll receive the meeting location for your survey team after you RSVP.

Help us count butterflies for the annual 4th of July Butterfly Count and learn more about butterfly populations close to home. This count is part of a national program led by the North American Butterfly Association (NABA), which compiles information about butterfly populations and distribution that is used to study effects of climate and habitat change on North American butterflies.

Here in Prince William on July 20, we'll form teams and see how many butterflies we can find within our count circle. We submit our compile results to NABA's national database for butterflies. We are also seeking tips on specific areas to survey - please email us if you have ideas.

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All events subject to change. To confirm event, and to learn more about this event, please contact the individual host business or attraction. Thank you.