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Long-term studies of individual animals in nature contribute disproportionately to our understanding of the principles of ecology and evolution. Such field studies can benefit greatly from integrating the methods of molecular genetics with traditional approaches. Even though molecular genetic tools are particularly valuable for species that are difficult to observe directly, they have not been widely adopted. Here, we used molecular genetic techniques in a year radio-telemetric investigation of the western diamond-backed rattlesnake Crotalus atrox for an analysis of its mating system and to measure sexual selection.
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Homosexual behavior in animals

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Inside an “Anything Goes” Sex Club | The Blog of Author Tim Ferriss

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Inside an “Anything Goes” Sex Club

By Peter Lawrence Kane. Unambiguously joyful or painfully heteronormative, same-sex marriage is probably here to stay this time. I sat down with four families or member of polyamorous groups, two all-male and two male-and-female, to gain some better insight into just how happy and gleefully sex-positive these enduring arrangements can be. Who are they?
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