He contemplates for seconds what we would for years. There is no training needed. His only motivation is instinct, birth, and a need to be over there, and not here. A sudden noise behind causes a torrent of emotions overwhelmed by fear. There is one escape. Had anyone below cared to look up they would have stopped in awe at the feat. And in that moment of destiny the squirrel leaps for the distant branch and fully understands why he was made.