Bonaparte's Gull - Andy McGivern
Report

Contributor

Date

Location

4223–4393 CTH-O, Marathon US-WI 44.92673, -89.76848
Marathon, Wisconsin, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 44.926726, -89.76848
Age
Not specified
Sex
Not specified

Observation details

Viewed over field near Bank Swallow hotspot. I blew up one of my photos and counted the number of BOGUs to determine the size of the flock.

Technical information

Model
COOLPIX P900
ISO
200
Focal length
268 mm
Flash
Flash did not fire
f-stop
f/6.3
Shutter speed
1/500 sec
Dimensions
4608 pixels x 3456 pixels
Original file size
1.63 MB