Date: 09/11/2021

Number: 19

We were enjoying the view at Prospect House at the top of Mt. Holyoke when Monarch adults started flying past. One after another, about a minute or two apart, they followed the basalt ridge that parallels the Connecticut River. Definitely the migration corridor.

South Hadley, MA

Latitude: 42.3 Longitude: -72.6

Observed by: Mary
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