Franklin's Gull - Geoffrey A. Williamson
Report

Contributor

Geoffrey A. Williamson Media from this contributor Profile

Date

Location

Montrose Point Bird Sanctuary, Lincoln Park, Chicago
Cook, Illinois, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 41.9633833, -87.6344204
Age
Not specified
Sex
Not specified

Observation details

Gull smaller than nearby Ring-billed Gulls with darker gray mantle. Bill black, partial black hood, broad white eye crescents. Tail with black terminal band. Outer primaries all black with no white. White on entire wing confined to narrow white trailing edge. Some black on primary coverts. Photos.

Technical information

Model
Canon EOS 7D
Lens
EF100-400mm f/4.5-5.6L IS II USM
ISO
500
Focal length
400 mm
Flash
Flash did not fire, auto
f-stop
f/6.3
Shutter speed
1/1000 sec
Dimensions
5184 pixels x 3456 pixels
Original file size
734.02 KB