Observation Details

General Observation Information

Observed By Freda Van den Broek
Submitted By Freda Van den Broek
Collection Date August 24, 2018
Observer Arrival Time 6:00 PM
Observer Departure Time 7:00 PM
Vouchers Observation Notes
Voucher Media
Anax junius female
Anax junius male
Common Green Darners roosting.
The average height of flight appeared to be between roughly 6 and 60 feet.
Tramea lacerata near the treetop.


Name Forest Beach Migratory Preserve
Notes Forest Beach Migratory Preserve, an Ozaukee Washington Land Trust Property, was formerly a golf course (until roughly 2012).
Latitude 43.45817 N
Longitude 87.81441 W
Elevation 187 meters


Precipitation Scattered Clouds
Cloud Cover 30 %
Wind Speed Light
Wind Direction
Temperature 24 °C

Flight Behavior

Minimum Height 1 m
Maximum Height 18 m
Behavior Description Mostly feeding, with some roosting observed. Occasionally a perched darner would be rousted from its perch by another darner coming in to land. Sought after perches were branches that received direct sunlight.
Proportion Observed Some
Flight Type Circling
Flight Direction
Observed Behaviors other

Observed Taxa


Identification Confidence

Percentage of Flight

Green Darners High 70 %

Coincident Taxa

Description of Coincident Taxa Monarch butterflies

Point Counts

Point counts were not provided
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