![Life History Studies of the Lesser Snow Goose (Anser caerulescens caerulescens). IV. The Selective Value of Plumage Polymorphism: Net Viability, the Timing of Maturation, and Breeding Propensity]()
Life History Studies of the Lesser Snow Goose (Anser caerulescens caerulescens). IV. The Selective Value of Plumage Polymorphism: Net Viability, the Timing of Maturation, and Breeding PropensityRobert F. Rockwell, C. Scott Findlay, Fred Cooke and Judith A. Smith · Evolution · 1985