Monarch PEAK Migration
Sightings report image

Date: 09/11/2021

Number: 500

Fall Migration, hundreds of monarchs feeding on wildflower planting dominated by Salvia azurea, and resting in cottonwood trees.

[Additional information contributed by observer, added by Journey North, 10/18/21]:

They stayed aprox 5 days. Lower 50’s no wind in am, light south wind in afternoons aprox 10-15 mph. Shielded from wind. Seemed to roost more on east side to catch early morning sun. Per
photo, aprox conservatively 45 to 50 in photo [doesn’t include amount not in frame], times 5 trees = 225 to 250, probably half that many in roost trees by water = 125, probably another 250 feeding in the field hard to count.

Ames, IA

Latitude: 42 Longitude: -93.6

Observed by: michael
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