I have read, in the past, the case of an orangutan who learned to spear fish with a stick as local fishermen do: https://www.newyorker.com/tech/annals-of-techno

I have read, in the past, the case of an orangutan who learned to spear fish with a stick as local fishermen do: https://www.newyorker.com/tech/annals-of-technology/orangutan-learns-fish https://www.newyorker.com/tech/annals-of-technology/oranguta...