[EBB Sightings] Tern help?

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This afternoon about 5 PM at Crab Cove in Alameda I saw two terns among =
the Forster's Terns that were larger with white foreheads, black head =
and crest.  One had a yellow beak, the other was a bit on the orange =
side.  Checking my guides they looked like Elegant or Royal Terns.  =
Peterson says of Elegant: "wanders irregularly (mainly Aug.-Oct.) North =
to San Francisco Bay."  Of Royal: "rarely to San Francisco."  Sibley =
makes no such mention and the maps provided indicate neither should be =
here.  Audubon says of Elegant, "winters to North and South....others =
regularly visiting Northern California coast."  Of Royal it says =
"winters Southern California Southward."

Anyone know what I saw?

Thanks
Bob
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in Alameda I=20
saw two terns among the Forster's Terns that were larger with white =
foreheads,=20
black head and crest.  One had a yellow beak, the other was a bit =
on the=20
orange side.  Checking my guides they looked like Elegant or Royal=20
Terns.  Peterson says of Elegant: "wanders irregularly (mainly =
Aug.-Oct.)=20
North to San Francisco Bay."  Of Royal: "rarely to San =
Francisco." =20
Sibley makes no such mention and the maps provided indicate neither =
should be=20
here.  Audubon says of Elegant, "winters to North and =
South....others=20
regularly visiting Northern California coast."  Of Royal it says =
"winters=20
Southern California Southward."

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