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![(Sterna dougallii - 2006-5398) @12 [ ] Copyright (2013) Takema Saitoh Yamashina Institute for Ornithology](http://v3.boldsystems.org/pics/_w300/YIO/P-YIO-63997-01%2B1282722750.jpg "(Sterna dougallii - 2006-5398) {} [ ] Copyright (2013)")
![(Sterna hirundinacea - SCT_546) @11 [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2013) Cláudio Dias Timm NA](http://v3.boldsystems.org/pics/_w300/BOURU/SCT_546%2B1469125932.jpg "(Sterna hirundinacea - SCT_546) {} [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2013)")
![(Sterna hirundo - UWBM 44308) @14 [ ] Copyright (2008) Burke Museum of Natural History and Culture Burke Museum of Natural History and Culture](http://v3.boldsystems.org/pics/_w300/KBPBU/IMG_3429%2B1140904536.JPG "(Sterna hirundo - UWBM 44308) {} [ ] Copyright (2008)")
![(Sterna paradisaea - UWBM 43924) @14 [ ] Copyright (2008) Burke Museum of Natural History and Culture Burke Museum of Natural History and Culture](http://v3.boldsystems.org/pics/_w300/KBPBU/IMG_3441%2B1140904592.JPG "(Sterna paradisaea - UWBM 43924) {} [ ] Copyright (2008)")
![(Sterna sumatrana - 1997-0357) @11 [ ] Copyright (2013) Takema Saitoh Yamashina Institute for Ornithology](http://v3.boldsystems.org/pics/_w300/YIO/P-YIO-11699-01%2B1100502378.jpg "(Sterna sumatrana - 1997-0357) {} [ ] Copyright (2013)")
![(Sterna trudeaui - MACN-Or-ct 302) @13 [ ] Copyright (2014) MACN Museo Argentino de Ciencias Naturales, Bernardino Rivadavia](http://v3.boldsystems.org/pics/_w300/BARG/MACN-Or-ct_302_d%2B1412190886.jpg "(Sterna trudeaui - MACN-Or-ct 302) {} [ ] Copyright (2014)")
