Observation Details

General Observation Information

Observed By Colleen McCormick
Submitted By Colleen McCormick
Collection Date August 14, 2019
Observer Arrival Time 7:45 AM
Observer Departure Time 8:15 AM
Vouchers Photo
Voucher Media
Large swarm like a dark cloud descended on our farm at Arriba, CO. At the time video was taken they had thinned considerably.


Name Arriba
Latitude 39.32910 N
Longitude 103.29510 W
Elevation 1,600 meters


Precipitation Scattered Clouds
Cloud Cover 20 %
Wind Speed Gusting
Wind Direction East
Temperature 21 °C

Flight Behavior

Minimum Height 0 m
Maximum Height 10 m
Behavior Description
Proportion Observed Some
Flight Type Swarming
Flight Direction
Observed Behaviors feeding

Observed Taxa


Identification Confidence

Percentage of Flight

Green Darners Medium 100 %

Coincident Taxa

No coincident taxa reported

Point Counts

Point counts were not provided
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