Swallow-tailed Gull - Heather Williams
Report

Contributor

Date

Location

Southeast Farallon Island (Farallon Islands NWR, restricted access)
San Francisco, California, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 37.69852, -123.002789
Age
Not specified
Sex
Not specified

Observation details

First island record! Distinctive and striking adult with black hood, red orbital, eye ring, white patch behind nares, bicolored black bill with white tip, grey ombre to the body, reddish pink legs and white tail with shallow fork. Photos to be added.

Technical information

Model
NIKON D500
ISO
500
Focal length
500 mm
Flash
Flash did not fire
f-stop
f/7.1
Shutter speed
1/500 sec
Dimensions
5568 pixels x 3712 pixels
Original file size
6.57 MB