Common Tern

Sterna hirundo

ML173669461


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DorianAnderson Bike
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eBird Checklist S59188978
Coyote Point County Park
San Mateo, California, United States
Search this location, Illustrated Checklist
Latitude and Longitude 37.59, -122.3215 Map

Age
Unknown
Sex
Unknown
Behaviors
Breeding
Tags

Media notes

Observation details

1st year bird. Balding forehead with transitioning to gray at crown and black onto back of head and nape. Legs appeared dark. Bill all black and finer than surrounding Forster’s. Dark patch on shoulder on sitting bird. Only saw underside of flying bird, but primaries/wing showed dark trailing edges.

Technical Information

Model
iPhone XR
Lens model
iPhone XR back camera 4.25mm f/1.8
f-stop
f/1.8
Focal length
4.3 mm
Shutter speed
1/577 sec
ISO
25
Flash
Flash did not fire, auto
Original file size
95KB
Dimensions
561 x 421

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