I'm pretty sure most animals are aware of death in others, so it would seem likely that they may be aware of self mortality. Our general understanding of other

I'm pretty sure most animals are aware of death in others, so it would seem likely that they may be aware of self mortality. Our general understanding of other animal behaviours is still quite primitive - generally things considered unique to the human animal are discovered in others after someone bothers to look. As for reproduction - do humans really know why they reproduce?