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.
SEASIDE SPARROW
Meaning of SEASIDE SPARROW in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012