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Q&A

Is there a way for human-sized oviparous humanoid mammals to produce young in eggs without going the full marsupial route?

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As per my last two questions asked, I still have a niggling query left regarding a humanoid species in production. To further support their matriarchal theme through evolution, I have decided to make them an oviparous species (egg laying). Conducting my own research, I have found that a smallish ostrich-sized egg may not contain the proper caloric content for something human-like with a similar enough brain to develop. Could it be possible, to divert this process through something akin to what monotremes or even marsupials are built for?

An idea I have had for this was the females could contain an inner 'pouch' of sorts or some type of inside organ similar to a human womb that can house and deliver nutrients and calories to the developing child and their hungry brain to account for caloric needs. Perhaps following this, could the baby be then encased in a thin weak egg during its latest stages of development and laid with an ample supply of nutrients needed inside? I feel this could leave the eggs with a few weeks or two left in development time before hatching in the nest. I apologize if this proposed concept is horribly biologically unsound, I am not that knowledgeable on these subjects.

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This post was sourced from https://worldbuilding.stackexchange.com/q/137793. It is licensed under CC BY-SA 4.0.

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