This is largely down to the combination our large brains, and bipedal locomotion, which means there is a limit on the level of development that can happen in the womb, with the baby's head still fitting through the birth canal. The human breeding cycle is actually atypically long for animals of our size, and is pretty much the antithesis of "breeding like rabbits". The infant is helpless at birth and for a long time afterwards, can't even walk, and doesn't gain any sort of independence for years, doesn't reach sexual maturity for anything up to 15 years, and typically doesn't start breeding until some time after that (exceptions apply). Humans, on the other hand, generally only give birth to a single infant, after a 9 month gestation. ![]() The kits are rapidly independent, and reach sexual maturity at 4-5 months. Rabbits have a pregnancy that lasts about 1 month, with multiple births and have the ability to suspend a pregnancy if times are lean, to be resumed later. Re: Re Little Mouse: "Earth’s magnetic field will disappear in 6.2 billion years or so"
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