E. B. Southwick, Bird-Lore: Volume I, No. 1 — Notes from Field and Study… (1899)
“ It was with difficulty that the food was disentangled from the silk, and I found on examination that much of it bad been so crushed, that it was impossible to determine whether the web contained eggs or young. While thus engaged, I saw a White-breasted Nuthatch, with something in its beak, alight on the trunk of a wild cherry tree. While running about over the bark, the bird dropped what proved to be an acorn, but immediately flew down and picked it from the long grass, and returned to the tree. ”
