be sure you drink a lot of water . '' the shrub seemed a safe place for birds until a cooper 's hawk swooped out of the sky and snatched a sparrow off a branch . besides , their teacher will be in the classroom the whole time , sam said . i am here to extract a promise from you . '' `` i do n't need your help- '' `` yes , you do . '' do n't worry if it 's long distance . '' 