Lesser Black-backed Gull - Keith D Kamper
Report

Contributor

Date

Location

San Carlos Lake--IR 571
Pinal, Arizona, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 33.1790517, -110.4977075
Age
Not specified
Sex
Not specified

Observation details

First winter bird; larger than adjacent RBGUs and smaller than nearby HEGUs; all black bill unlike CAGU which would have bicolored bill at his date. In flight noted esecallly long and narrow wings and whitish rump.

Technical information

Model
Canon EOS 7D Mark II
Lens
EF100-400mm f/4.5-5.6L IS II USM
ISO
640
Focal length
400 mm
Flash
Flash did not fire
f-stop
f/5.6
Shutter speed
1/6400 sec
Dimensions
534 pixels x 356 pixels
Original file size
76.02 KB