Eastern grey squirrels have a high sufficient resistance for people to live in household areas as well as raid bird feeders for millet, corn, as well as sunflower seeds. Some people who feed and enjoy birds for amusement also deliberately feed nuts and seeds to the squirrels for the exact same reason. Nevertheless, in the UK eastern grey squirrels can take a significant proportion of supplementary food from feeders, stopping accessibility and also decreasing usage by wild birds. The common name, Sciurus, is originated from two Greek words, skia, suggesting darkness, and also oura, meaning tail. This name mentions the squirrel being in the shadow of its tail.