Sterna forsteri Nuttall, 1834
Forster's tern
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Family:  Laridae ()
Max. size:  41 cm TL (male/unsexed); max.weight: 190.0 g
Environment:  others; marine
Distribution:  Eastern Pacific and Atlantic Ocean.
Diagnosis:  Culmen: 5.93 cm; tarsus: 2.43 cm; wing: 27.09 cm.
Biology:  Total Length: 35 to 41 cm; Wingspan: 76 to 81 cm (Ref. 8812). Coastal (Ref. 356), found in the beach, shoreline, nearshore and islands (Ref. 116102). Nests in marshes; changes nesting site yearly. Piscivorous (Ref. 87786). Displays dipping behavior (Ref. 356). Embryonic deaths, subcutaneous and pericardial edema, growth disruption, liver damage, and unsuccessful breeding and development linked to exposure to polychlorinated biphenyls (PCB) in the Great Lakes (Ref. 87784).
IUCN Red List Status: (LC); Date assessed: 07 August 2018 Ref. 123251)
Threat to humans: 
Country info:   
 

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