Who is Grasshoppers from Joyful Noise: Poems for Two Voices and what is their importance?

Grasshoppers appear in the poem, Grasshoppers. They are the first characters found in this book and are the subject of the first poem. As soon as they hatch in the autumn, they are bounding and leaping, striding and splitting. Grasshoppers jump from branch to branch and from leaf to leaf. According to this poem, they spend their lives springing in the air and vaulting from one place to another.