Monarch Fall Roost

Date: 09/12/2023

Number: 28

Busier evening in the skies over my yard. Arrived home at 6:30 p.m. and immediately noticed several Monarchs circling the yard looking for a perch. All ended up leaving and heading to a large clump of trees west of me, so I headed to the corner of my yard and counted new flyers as they came in overhead from the N.E. It was a late arriving crowd this evening, as I counted 28 between 6:40 p.m. and 7:10 p.m. The only tree that I confirmed any roosting in before dark was my Bald Cypress, where five had gathered in various spots on the E. side, but higher-up than typical; probably close to 15' up, so no picture tonight.
Weather was perfect today, with mostly fair skies and light winds from the N.-N.W. to 15 m.p.h. Temperature reached 74F with relative humidity around 50%. Temperature at sunset was 66F with N.W. winds of 5 m.p.h. and clear skies.
Much nectaring noted on the nearby Tithonia and Zinnias as well by several Monarchs.

Bement, IL

Latitude: 39.9 Longitude: -88.6

Observed by: Thomas
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