Monarch Fall Roost

Date: 09/12/2020

Number: 79

Mark conducted a roost count on Sept. 13 from 7:15 to 7:40 a.m. at Goose Pond Sanctuary, W7503 Kampen Road.

Weather conditions on the 12th at 6:00 p.m. were cloudy, 65 degrees, and winds WSW at 9 mph.

Weather on the 13th was 58 degrees, clear, and winds NW at 6 mph.

I counted 79 monarchs on the roost counted everyday and 12 that were roosting in the prairie. None of the 79 were flying around yet.

There were 10 monarchs toward the east end of the spruce in two groups all roosting on the northside of the spruce. Just west of the powerline opening there were 27 tucked into gap in the spruce on the NE side; and three groups of 2, 15, and 25 to the west in the spruce all on the North side of the windbreak.

I also checked the west and north side of the spruce/white cedar windbreak .25 miles to the north - no monarchs.

I drove in our Kubota .72 miles from 7:45 - 7:55 a.m. through the Wood Family Prairie and saw 5 monarchs.

I then drove .9 miles from 7:55 to 8:10 in the Browne Prairie and saw 7 monarchs. of the 12 - 2 were on prairie dock, 1 on compass plant, 5 on sawtooth sunflower and the other 4 probably flushed near the trail from sawtooth sunflower.

Town of Arlington, WI

Latitude: 43.3 Longitude: -89.4

Observed by: Mark and Sue
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