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International Monarch Monitoring Blitz

July 26 - August 4

The International Monarch Monitoring Blitz invites community scientists from across North America to come together with the shared goal of helping to protect and conserve the beloved and emblematic monarch butterfly. Data collected by volunteers each year support trinational efforts to better understand the monarch butterfly’s breeding productivity, range, and timing in North America.

Join this year’s International Monarch Monitoring Blitz from 26 July to 4 August 2024!

To take part in the Blitz, please share your observations through one of the participating community science programs below:

Canada: Mission Monarch


United States:


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