social monogamy in mammalian species
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1086/284728. ^ Gowaty, Patricia A. (1983). „Male Parental Care and Apparent Monogamy among Eastern Bluebirds (Sialia sialis)”. The American Naturalist. 121
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Beekman, Madeleine; Ratnieks, Francis L. W. (30 mai 2008). „Ancestral Monogamy Shows Kin Selection Is Key to the Evolution of Eusociality”. Science. 320