USDA Forest Service
| 2 Images of 1 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1241755 | bear | Ursus spp. | Claw marks from bear marking trees are distinct when fresh. Callous ridges may develop if the cambium has been damaged. |
| 1241751 | bear | Ursus spp. | A bear has stripped the bark and cambium from this young tree. Vertical grooves are evident. |

