| Laridae () |
| 66 cm TL (male/unsexed); max.weight: 1,135.0 g |
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others; freshwater; brackish; marine |
| Indo-Pacific, Atlantic Ocean and the Arctic. Tropical to polar. |
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Culmen: 5.09 cm; tarsus: 5.715 cm; wing: 41.15 cm. |
| Total Length: 56 to 66 cm; Wingspan: 137 (Ref. 8812) to 147 cm (Ref. 84934). Total population is unknown but with over 1,000,000 pairs in the Palearctic and over 150,000 pairs in eastern North America. Population has expanded and is now considered a pest in some European countries (Ref. 84934). Colonies of these birds can extend to 2 km (Ref. 87784). It has a 70% dispersal rate (Ref. 87790). |
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(LC); Date assessed: 19 August 2021 Ref. 123251)
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