subfamily
True Terns
Sterninae
Field notes
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native true terns All
Native to the US, by observations.
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Common Tern
Sterna hirundo
69,973 observations
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Caspian Tern
Hydroprogne caspia
47,177 observations
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Royal Tern
Thalasseus maximus
45,572 observations
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Forster's Tern
Sterna forsteri
35,758 observations
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Sandwich Tern
Thalasseus sandvicensis
26,184 observations
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Black Tern
Chlidonias niger
19,788 observations
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Least Tern
Sternula antillarum
16,431 observations
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Arctic Tern
Sterna paradisaea
11,694 observations
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Gull-billed Tern
Gelochelidon nilotica
10,956 observations
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Elegant Tern
Thalasseus elegans
10,027 observations
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Sooty Tern
Onychoprion fuscatus
3,102 observations
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Bridled Tern
Onychoprion anaethetus
3,010 observations
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Roseate Tern
Sterna dougallii
2,460 observations
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Aleutian Tern
Onychoprion aleuticus
463 observations
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Gray-backed Tern
Onychoprion lunatus
89 observations