Crystal Cove, Orange Co., 3-09. © John  C. Avise.

Royal Tern

Sterna maxima

Charadriiformes; Laridae

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Basic plumage, Newport Bay inlet, Orange Co., 11-06. © John  C. Avise.
Basic plumage, Martin Co., FL., 12-08. © John  C. Avise.

Basic plumage, Martin Co., FL., 12-08. © John  C. Avise.
Alternate plumage, Port Aransas, TX., 4-06. © John  C. Avise.

Basic plumage, Martin Co., FL., 1-08. © John  C. Avise.