Sooty Tern

Onychoprion fuscatus

ML68739311


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Kevin Metcalf
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eBird Checklist S39153010
NC, Mecklenburg Co. - Lake Norman
Mecklenburg, North Carolina, United States
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Latitude and Longitude 35.4486, -80.9195 Map

Age
Unknown
Sex
Unknown
Behaviors
Breeding
Tags

Comments

Sooty Tern over Lake Norman, Mecklenburg Co. NC

Observation details

From boat on Lake Norman. Well seen and photographed by all observers. I observed the tern starting around 6:15 pm and it was in and out of view for about 20-25 minutes, always in flight over water. Clearly a tern from shape - forked tail, long, pointed wings, long pointed bill. Dark mantle - looking blackish at a distance. Underwing showed white wing-linings but underside of primaries dark. Black cap down to eye, but with a white forehead. Bill black. Separated from Bridled Tern by more extensively dark underside of primaries, color of mantle nearly black with no discernible contrast with black cap. White on forehead not as extensive. Tail mostly blackish above. Photos should be diagnostic: Other observers obtained better photos. Also present for comparison were Black Tern and two Common Terns.

Technical Information

Model
ILCE-6000
Lens model
E 55-210mm F4.5-6.3 OSS
f-stop
f/6.3
Focal length
204 mm
Shutter speed
1/320 sec
ISO
100
Flash
Flash did not fire, auto
Original file size
73KB
Dimensions
654 x 490

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