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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.
Western
Boat-tailed Grackles, Females
Lesser Scaup, Male and Bufflehead, Female
Incomparable
Western
Don't look back
Cooper's hawk
American Kestrel, Female
Doc Duck

Western (Larus occidentalis)

I did see a few other gulls that trip - a few California Gulls and at least one Bonaparte's - but by far the greatest number were Westerns. The Norwegian name for these is Californiasvartbak (California Black-backed Gull) ... fitting.
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Habitat
Bay
Location
San Francisco Bay Trail
Date taken
12 Nov 2023
Scientific name
Larus occidentalis
Equipment used
Nikon z6ii, Tamron 150-600
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Media information

Category
North America
Added by
Doc Duck
Date added
View count
169
Comment count
9

Image metadata

Device
NIKON CORPORATION NIKON Z 6_2
Aperture
ƒ/7.1
Focal length
600.0 mm
Exposure time
1/4000 second(s)
ISO
500
Filename
_aDSC7487 WEGU.JPG
File size
1.5 MB
Date taken
Sun, 12 November 2023 2:11 PM
Dimensions
4450px x 2961px

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