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Saturday, February 23 • 3:30pm - 4:00pm
I Don't See as Many Butterflies as I Used To. Is This Statement Really True?

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The Illinois Butterfly Monitoring Network tracks long-term trends in butterfly populations. A significant decline in abundance was observed from 1997 to 2017. Declines were observed both regionally and in individual counties, and involve aggregate observations without regard to species. Declines include common species that have previously been regarded as well-adapted to human-altered habitats.


Allen Lawrance

Peggy Notebaert Nature Museum

Doug Taron

Chicago Academy of Sciences, Peggy Notebaert Nature Museum

Saturday February 23, 2019 3:30pm - 4:00pm CST
rm. 22