Breeding schedule.—Sixty-nine records of egg-laying span the period May 11 to September 10 ([Fig. 4]); the modal date of laying is June 5.
Number of eggs.—Clutch-size is 3 eggs (3.1, 2-5; 54).
Nests are placed about six feet high (from four to 20 feet) in sumac, rose, pawpaw, mulberry, elm, cottonwood, willow, redbud, oak, osage orange, walnut, boxelder, usually on horizontal surfaces, and in heavy cover.
Black-billed Cuckoo: Coccyzus erythropthalmus (Wilson).—This is an uncommon summer resident, occurring in heavy riparian shrubbery and second-growth. Breeding records are chiefly from eastern Kansas, but specimens have been taken in the breeding season in all parts of the State. Eleven dates of first arrival in spring are from May 7 to May 30 (the median is May 19), and four dates of last observed occurrence in autumn are between September 4 and October 7 (the average is September 18).
Breeding schedule.—Seventeen records of egg-laying are between May 21 and August 10; the mode is at June 5.
Number of eggs.—Clutch-size is 2 to 3 eggs (2.5, 2-3; 13).
Nests are placed about four feet high in heavy cover in plum, elm, locust, and the like.
Roadrunner: Geococcyx californianus (Lesson).—This is a local resident in southern Kansas in xeric scrub or open edge habitats. Breeding records are from Cowley and Sumner counties.
Breeding schedule.—Eggs are laid at least from early April to mid-July.
Number of eggs.—Clutch-size is about 5 eggs (4.5, 3-6; 4).