Charles Brown writes:
> The interesting question is what is , if anything, uniquely human nature,
>not shared with other species - upright posture, opposable thumb, specific
>teeth, lot less fur, etc.
Pan estrus, i.e. no estrous cycle and year-round receptivity. One thing you don't see in non-human primates to any significant degree is food-sharing.
Jenny Brown
^^^^^ CB: Yes, and I forgot the big one, very critical : very long period of helpless childhood.
The no food sharing among non-human primates really supports my thesis that our species should be renamed _homo communis_.