Abstract
Since its inception in the autumn of 1935, the research program of the Iowa Cooperative Wildlife Research Unit has included life history and management studies of the ring-necked pheasant (Phasianus colchicus torquatus) on the Winnebago Experimental Area. During the first three years emphasis was placed on study of winter survival and cover development (Green and Beed, 1936; Green, 1938, and unpublished reports), but in 1939 special attention was directed to the reproductive phase of the pheasant's life cycle. Here are reported data gathered on the Winnebago Area, in north-central Iowa, from March until September, 1939. The research was under Dr. George O. Hendrickson, Iowa State College, and Thomas G. Scott, United States Bureau of Biological Survey.
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