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Larus lacus

Larus lacus is an extinct species of gull that lived in North America during the Late Pliocene.

Etymology
The genus name Larus derives from Ancient Greek, referring to a seabird. The species name lacus derives from Latin, meaning "lake or standing body of water, in reference to the lagoonal deposits at the type locality." == Description ==
Description
Larus lacus specimens stem from Sarasota County, Florida. The humerus of Larus lacus most closely resembles the Hartlaub's gull (Chroicocephalus hartlaubii), black-headed gull (Chroicocephalus ridibundus), brown-hooded gull (Chroicocephalus maculipennis), and Franklin's gull (Leucophaeus pipixcan). == References ==
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