A local name of the Black-headed Gull.
(The 16th c. crocard may be the same word.)
a 1547. in Househ. Ord. (1790), 223. Crocards and Oliffs, 3s. 4d. [See Archæol., III. 157.]
1885. Swainson, Prov. Names Birds, 209. Black-headed Gull (Larus ridibundus)—Crocker.
