Date: 09/05/2019

Number: 200

I was lucky enough to look up and notice them.

Editor's note: contacted observer for more details on this sighting

Time of day you first saw the roost? Please confirm the date the roost first formed.
5:30 - 6pm September 5

Could you give an estimate/count the number of adults?
200 - 300

Nectar source nearby? there is a "butterfly garden" a few hundred feet away

Overnight temperatures? Around 10 - 11 celcius

Wind direction?
Dont know the wind dirction but they would have been shielded

Toronto, ON

Latitude: 43.7 Longitude: -79.3

Observed by: Roger
Contact Observer

The observer's e-mail address will not be disclosed.
Contact will be made through a web-based form.