![]() ![]() ![]() ![]() This modification of an object to make a tool signifies the beginning of tool making. Soon after this discovery, Jane observed David and other chimps actually picking leafy twigs then stripping the leaves so that the twig was a suitable tool. David had been using the stem as a tool to "fish" for insects! She inserted one of the abandoned grasses into a hole in the mound and found that the termites bit onto it with their jaws. When David had finished, Jane approached the mound. ![]() From a distance, he seemed to be poking pieces of grass into the mound, then raising them to his mouth. Not wanting to startle him, she stopped some distance away and could not see clearly what he was doing. In October, 1960, Jane Goodall found a chimp that she had named David Greybeard squatting on a termite mound. ![]()
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