Given the lawless environment, lack of civilization, and strength of male biological urges, I have a hard time believing there was no copulation between males of one species and unwilling females of the other. For scientists to suggest otherwise is just simply stupid.
I have a hard time believing there was no copulation between males of one species and unwilling females of the other.
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Copulation and breeding are not synonymous.
Breeding requires the production of offspring. Copulation, uh, doesn’t.