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Re: Sexual dimorphism in T. rex
>But why larger females? Males in many species are larger because they
>rival over the females. But if the larger rexes ARE females, this may
>tell us something about the mating habits of T. rex. A larger body
>capacity in female T-rexes may indicate that she needed more room to hold
>her eggs. Or maybe the males had no need to fight over the females --
>could the females have selected their own mates? But one interesting
>thing is that if the females were many feet higher than the males, and
>much larger, he may have had difficulty mating with her. But as all
>animals do, the male rexes would have found a way.
>The T. rex females, if they were larger and more robust than the males,
>may tell us some interesting stuff about T. rex life. Maybe T. rexes were
>social, and hunted in mating pairs. To me, they seem like the kind of
>predator that would work together and maintain a good mating-couple
>relationship. If the male was bad to the female, she could have easily
>done him in.
>But why sexual dimorphism in T. rex??
>Raptor RKC (Rachel Clark)
Actually, in most birds, the female is usually slightly larger than the
male. Granted, I'm assuming that birds are dinosaurs, but I suspect that
it's a reasonable assumption