The American black bear is a generalist, opportunist omnivore. Depending on location and season, they consume herbaceous vegetation, roots, buds, numerous kinds of fleshy fruits, nuts, insects in life stages from egg to adult, and vertebrates from fish to mammals, including their own kills as well as carrion.
Other causes of dry mouth. Other factors that can cause dry mouth include: Nerve damage around the head or neck. Dehydration. A side effect of medical treatment such as chemotherapy treatments or other treatments that have lead to damage to the salivary glands causing a decrease in the production of saliva.
Other Conditions May Cause It. Dry mouth can be caused by a medical condition called SjÃ¶gren's syndrome. It's an autoimmune disorder in which white blood cells attack the body's tear and salivary glands. People with diabetes or HIV can also get dry mouth.