She said that Rico was displaying a kind of learning by inference that is called fast mapping. It was thought to be a language-learning ability specific to humans, but Rico's ability suggests it may be more widespread. 初めて聞く名前のものを取ってくるように命じられると(told to fetch)、リコは自分が見知らぬものをちゃんと取ってきます。、 Told to fetch an unfamiliar object with a name he had not heard before, Rico picked out the novel(目新しい) item from a group of familiar ones.