It’s possible human babies cry more than necessary. Wet diapers for instance can cause irritation and diapers are something most animals don’t have to suffer. The same could be true when we leave babies in daycare where they don’t get optimum attention. read more
babies that cry more are more successful at passing their genetic information to the following generations. Human babies are born "premature" relative to other offspring. They cannot walk or feed themselves. If pregnancy were longer, they simply would be too big for human bodies to give birth too. We are victims of our own intelligence/brain size. read more
Human babies are so difficult to handle compared to animal babies because the human infants cannot perceive the world at an early age like the animal babies do. This is due to the fact that the brain of human infants is quite underdeveloped as compared to other mammalians. read more