the world > animals > birds > order Passeriformes (singing) > arboreal families > [noun] > family Sittidae > genus Sitta > sitta carolinensis (white breasted nuthatch) (2)
a North American nuthatch, Sitta carolinensis, which has a white face and underparts, black cap, and blue-grey back.
(a) any species of mouse of arboreal habits; (b) see quot. 1897.