Lesser Black-backed Gull

Larus fuscus

ML21516111



eBird Checklist S26100574
Waneka Lake/Greenlee Preserve
Boulder, Colorado, United States
Search this location, Illustrated Checklist
Latitude and Longitude 39.997, -105.1142 Map

Age
Unknown
Sex
Unknown
Behaviors
Breeding
Tags

Comments

Adult Lesser Black-backed Gull with Ring-billed Gulls. Distant, grainy photo, but diagnostic: note lanky body shape, yellow legs, and of course dark back. (Head, not visible here, was tall and "pinhead"-shaped, dusky-streaked.) Waneka Lake, Boulder County, Colorado, USA; Dec. 2, 2015.

Observation details

Adult.

Technical Information

Model
Canon PowerShot SX50 HS
f-stop
f/6.5
Focal length
215 mm
Shutter speed
1/200 sec
ISO
80
Flash
Flash did not fire, auto
Original file size
670KB
Dimensions
2903 x 1138

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