Stock photography, photos: Tree with Bark Removed from Beaver Stock photos of Tree in autumn with its bark removed from the gnawing of the beaver (Castior canadensis). Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: America, animal, Autumn, autumn, autumnal equinox, bark, beast, beasts, beaver, behavior, Castior canadensis, creature, cut, ecology, ecosystem, environment, environmentalism, Fall, fall, gnaw, habitat, Itasca, Itasca State Park, itasca state park, land, mammals, Minnesota, minnesota, nature, North America, park, parks, removed, scenery, season, State Park, State Parks, tree, trees, trunk, United States of America, US, USA, wildlife, zoology