Dictionary
sea'side spar"row
a species of sparrow,
Ammospiza maritima, existing in two subspecies, one
(Cape Sable seaside sparrow) having dark olive-drab plumage with a lighter breast and underbelly, and the other
(dusky seaside sparrow) having bold black and white markings on the breast and underbelly: the dusky seaside sparrow is almost extinct.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.