Nuthatch n. (Zool.) Any one of several species of birds of the genus Sitta, as the European species (Sitta Europaea). The white-breasted nuthatch (Sitta Carolinensis), the red-breasted nuthatch (Sitta Canadensis), the pygmy nuthatch (Sitta pygmaea), and others, are American.
... The nuthatch, too, among the birds, is a great planter. After twisting off a cluster of beech-nuts this queer little bird carries them to some favorite tree, and pegs them into the crevices of the bark in a curious way. How, we cannot tell. ... — Our Young Folks at Home and Abroad • Various