Lesser Black-backed Gull - Brian Raicich
Report

Contributor

Date

Location

Marsh Creek SP
Chester, Pennsylvania, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 40.0675599, -75.719985
Age
Not specified
Sex
Not specified

Observation details

Stood out amongst the group of Ring-billed Gulls on ice. Dark gray mantle, sooty streaking over white head, slightly larger than surrounding Ring-billed Gulls. Black wing tips observed in flight. Great Black-backed Gull ruled out due to size. Poor documentation photo digiscoped with iPhone.

Technical information

Model
iPhone 6
ISO
32
Focal length
4.2 mm
Flash
Flash did not fire, auto
f-stop
f/2.2
Shutter speed
1/421 sec
Dimensions
957 pixels x 718 pixels
Original file size
143.31 KB