Caspian gull is a name applied to the gull taxon Larus cachinnans, a member of the herring gull/lesser black-backed gull complex. The scientific name is from Latin. Larus appears to have referred to a gull or other large seabird, and cachinnans means "laughing", from cachinnare, "to laugh".
Caspian Gull

No sightings reported in the last 30 days.

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