adult in breeding plumage (Norway; 2009-05-23)

Common Tern
Sterna hirundo

Native Range: North America ans Eurasia

Notes: closely related to Arctic Tern and Forster's Tern, but breeding adult has a grayer body and other small differences;

adult during migration (California, USA; 2006-09-16)

note black edges to outer tail feathers (Norway; 2009-05-23)
nonbreeding adult showing white on forehead (Michigan; 2007-08-31) a graceful bird (Norway; 2009-05-23)
an elegant bird (Norway; 2009-05-23) flock (Michigan, USA; 2007-08-31)
posing for portrait (Norway; 2009-05-23)