Collier's New Encyclopedia (1921)/Cuckoo

CUCKOO (Cuculus canorus), a well known bird. The head and upper parts are of dark ash, the throat, the under side of the neck and fore part of the breast of a paler ash or brown, the rest of the breast and the belly white, with transverse undulating black lines, the quill feathers with white on their inner webs, the tail ash, white, and black commingled, feet yellow; length, 14 inches. The cuckoo forces foster-parentage on other species of birds.

CUCKOO