Neanderthals
OCCUPYING A SINGLE SITE FOR A LONG TIME INEVITBLY LEADS TO A DEPLETION OF FOOD, ARGUE LIEBERMAN AND SHEA, WHICH MEANS NEANDERTHALS HAD TO WORK HARDER AND HARDER FOR EACH MEAL.
THIS WAY OF LIFE SEEMS TO HAVE LED TO SEVERE HARDSHIP FOR NEANDENRTHALS.