Date: 09/01/2019

Number: 200

So many, they were impossible to count. They were spread over several trees.

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

What time of day did you first see the roost? right at sunset 730pm to 800pm
How did you estimate the 200 adults? approx 50 per branch on 4 branchs of two different trees. A white pine along our pollinator CRP land and across the and a red oak about 50 yards away in our yard.

Do you know if there is a nectar source nearby? lots of goldenrod in full bloom.
What were the overnight temperatures? 55F to 60F
What was the wind direction? Were the monarchs shielded from the wind in this location? it was calm.

the next night there were about half as many in our yard in different trees.

Riceville, IA

Latitude: 43.3 Longitude: -92.6

Observed by: David
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