3. Seabirds (petrel, Tern, Gull, Boobies, Alcids)
by Ken Lipshy
| 
Black Tern Gallery
by Tommy Holmgren
| 
Tern,Roseate
by Dave Williams
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Arctic Tern (Sterna paradisaea)
by Dave Barnes
| 
Tern,Large-billed
by Dave Williams
|
Forster`s Tern . Sterna forsteri
by SWBirder
| 
Yellow-billed Tern (Sternula superciliaris)
by Geert Bauke Kortleve
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Arctic Tern
by Corstiaan Beeke
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Gull-billed Tern -Gelochelidon nilotica
by Charlie Fleming
| 
Least Tern: Hatching time
by Mark B Bartosik
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