The evolution of sex roles in birds is related to adult sex ratio

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Liker, András; Freckleton, Robert P.; Székely, Tamás;
(2013)

Sex-role reversal represents a formidable challenge for evolutionary biologists, since it is not clear which ecological, life-history or social factors facilitated conventional sex roles (female care and male-male competition for mates) to be reversed (male care and fem... View more
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