Fagus grandifolia pigeon; the clearing of beech and oak forests is pointed to as one of the major factors that may have contributed to the bird's extinction. Fagus grandifolia Fagus grandifolia, the American beech or North American beech, is the species of beech tree native to the eastern United States and extreme southeast Canada. The genus name "Fagus" is Latin for "beech", and the specific epithet "grandifolia" comes from "grandis" "large" and "folium" "leaf". The American beech is native to eastern North America, from Nova Scotia west to southern Ontario in southeastern Canada, west to Wisconsin and south to eastern Texas and
Cepaea sylvatica Cepaea sylvatica " Cepaea sylvatica" is a medium-sized species of air-breathing dextral land snail, a terrestrial pulmonate gastropod mollusc in the family Helicidae. It is a close relative of the grove snail ("Cepaea nemoralis"). This species lives in many of the same habitats as "Cepaea nemoralis", such as woods, dunes and grassland, however "C. sylvatica" tolerates wetter and colder areas than the grove snail can tolerate. "Cepaea sylvatica" is generally similar in appearance to "C. nemoralis", although the shell is not as colorful and not as variable as that of the grove snail. Also, the diameter of the shell of