Forster's Tern - Russ Morgan
Report

Contributor

Date

Location

Thief Valley Reservoir (Union Co.)
Union, Oregon, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 45.0229344, -117.785368
Age
Not specified
Sex
Not specified

Observation details

Not sure if the repeated passes at the perched bird are simply competition for the best perching rock or a courtship display, but I suspect the latter.

Technical information

Model
Canon EOS 7D Mark II
Lens
EF100-400mm f/4.5-5.6L IS II USM
ISO
200
Focal length
400 mm
Flash
Flash did not fire
f-stop
f/6.3
Shutter speed
1/2000 sec
Dimensions
3207 pixels x 2138 pixels
Original file size
1.13 MB