July 24, 2021
Citizen-science volunteers and counters (from left) Samarth Kishor of Arlington, Summer Chambers of Reston, Ilene McNeal of Reston, and Elise Larsen of Falls Church, gaze over the pollinators hoping to sight a butterfly.
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Data used to study weather and habitat change effects
Is it a monarch butterfly or an imitator, a white moth, or a cabbage white butterfly?