Monolith
Chimpanzees living in the West African savannah have been observed fashioning deadly spears from sticks and using the tools to hunt small mammals -- the first routine production of deadly weapons ever observed in animals other than humans.
For First Time, Chimps Seen Making Weapons for Hunting – Washingtonpost.com via stumbleUpon
Straussが聞こえる….(Richardの方ねw)