Monarch PEAK Migration

Date: 09/18/2023

Number: 2500

Rosetta McClain Gardens, Scarborough, ON, Canada on the Bluffs of Lake Ontario. What an exciting day we had. Tagged 39 monarchs then were out of tags. However, their was a burst of monarch migration between 11:40-12:10. The monarchs were flying at flower blossom level to specs in the sky. Some stopped to nectar. I think the estimate of 2500 is low. The monarchs continued to move through after, 12:10 but not near as many. The most that I have observed migrating at a moment in time since 2013 at Rosetta.

Toronto, ON

Latitude: 43.7 Longitude: -79.3

Observed by: Betty
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