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Parasitic Jaeger

Stercorarius parasiticus

ML113637231


©
Dave Williams
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eBird Checklist S48300345
Clinton Lake--Dam
Douglas, Kansas, United States
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Latitude and Longitude 38.9313, -95.3314 Map

Age
Unknown
Sex
Unknown
Behaviors
Breeding
Tags

Comments

Parasitic Jaeger, 3 pictures of the same individual.

Observation details

Continuing rarity. Reports have been previously submitted by multiple observers. First seen on the water, an all dark gull-like bird. In flight the underwing showed white at the base of the primaries in a single wedge. There was no indication of a double white wing flash like that shown in Pomarine. The upper wing showed at least four white wing shafts. Central tail feathers as seen in one photo extend slightly beyond the tail. There is some lightness in the rump. The bird appears to be all dark below. In direct comparison the bird was larger than a Franklin's Gull and about the same size or smaller than Ring-billed Gull. Size and coloration separates from Long-tailed. Strong, fast flight was shown while it harassed Franklin's Gulls. Often flew low to the water.

Technical Information

Model
DSC-RX10M3
Lens model
8.8-220mm f/2.4-4.0
f-stop
f/4.0
Focal length
220 mm
Shutter speed
1/320 sec
ISO
100
Flash
Flash did not fire, auto

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