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Larus heermanni Cassin, 1852 Heermann's gull |
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| Family: | Laridae () | |||
| Max. size: | 53 cm TL (male/unsexed); max.weight: 640.0 g | |||
| Environment: | others; marine | |||
| Distribution: | Eastern Pacific and Western Atlantic. | |||
| Diagnosis: | Culmen: 4.37 cm; wing: 34.7 cm. | |||
| Biology: | Total Length: 46 to 53 cm; Wingspan: 117 to 124 cm (Ref. 8812). | |||
| IUCN Red List Status: | Near Threatened (NT); Date assessed: 28 August 2020 (D2) Ref. 123251) | |||
| Threat to humans: | ||||
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