Mourning warbler

(redirected from Oporornis philadelphia)
(Zool.) an American ground warbler (Geothlypis Philadelphia). The male has the head, neck, and chest, deep ash-gray, mixed with black on the throat and chest; other lower parts are pure yellow.

See also: Mourning

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.