Sterna sumatrana Raffles, 1822
Black-naped tern
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Family:  Laridae ()
Max. size:  32 cm TL (male/unsexed); max.weight: 110.0 g
Environment:  others; marine
Distribution:  Indo-Pacific and Southeast Atlantic.
Diagnosis:  Culmen: 3.46 cm; wing: 22.17 cm.
Biology:  Total Length: 30 to 32 cm; Wingspan: 61 cm (Ref. 8812).
IUCN Red List Status: (LC); Date assessed: 07 August 2018 Ref. 123251)
Threat to humans: 
Country info:   
 

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