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Slaty-backed Gull

Larus schistisagus

ML130774411


©
Alvaro Jaramillo
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eBird Checklist S50911204
Half Moon Bay SB--Venice Beach and Pilarcitos Creek Mouth
San Mateo, California, United States
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Latitude and Longitude 37.4805, -122.4513 Map

Age
Immature
Sex
Unknown
Behaviors
Breeding
Tags

Comments

Observation details

Third cycle individual. This individual has an obvious limp, just in case it is found elsewhere. Dull pink-red orbital ring, eyes becoming pale but still look dark at a distance. Very dark and cold toned back. Pale tongues seen in primaries P5-7 at least. The bird was not seen in flight.

Technical Information

Model
Canon EOS 80D
Lens model
EF100-400mm f/4.5-5.6L IS II USM
f-stop
f/5.6
Focal length
400 mm
Shutter speed
1/320 sec
ISO
1600
Flash
Flash did not fire, auto
Original file size
188KB
Dimensions
1298 x 864

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