 Reuzestern - Caspian tern - Sterna caspia
by Ton, Ben & Rob Nagtegaal
|  Arctic tern - Sterna paradisea
by mvphoto
|  Common Tern (Sterna comune)
by Daniele Occhiato
|  Forster's Tern - Sterna forsteri
by mvphoto
|  Common tern
by Christopher Plummer
|
 Roseate Tern (Sterna dougallii)
by Geert Bauke Kortleve
|  South American Tern - Sterna hirundinacea
by mvphoto
|  Caspian Tern (Sterna maggiore)
by Daniele Occhiato
|  Common Tern - Sterna hirundo
by mvphoto
|  Arctic Tern (Sterna paradisaea)
by Dave Barnes
|