Date: 09/11/2017

Number: 2000

Researchers (possibly guest Penn State tern researchers) on High Bluff Island, Presqu'ile Provincial Park, Brighton, Ontario - north shore of Lake Ontario on Sept. 11 counted 350 Monarchs on their biological survey route but after the survey time several roosts formed of an estimated 2000 monarchs. Interestingly only a dozen or so were seen around Owen Point. High Bluff Island a strategic gathering point for monarchs. From Owen Point which leads out in a south-west direction to Gull then High Bluff Island in 2010: https://www.youtube.com/watch?v=PCDVGrkt8AE

See: http://friendsofpresquile.on.ca

Brighton, ON

Latitude: 44 Longitude: -77.7

Observed by: Donald A.
Contact Observer

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