L murinus

Gull Gull, n. [Of Celtic origin; cf. Corn. gullan, W. gwylan.] (Zo["o]l.) One of many species of long-winged sea birds of the genus {Larus} and allied genera. [1913 Webster]

Note: Among the best known American species are the herring gull ({Larus argentatus}), the great black-backed gull ({L. murinus}) the laughing gull ({L. atricilla}), and Bonaparte's gull ({L. Philadelphia}). The common European gull is {Larus canus}. [1913 Webster]

{Gull teaser} (Zo["o]l.), the jager; -- also applied to certain species of terns. [1913 Webster]