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.
1 Nerve damage. 2  Dry mouth can be a result of nerve damage to the head and neck area from an injury or surgery. 3  Dehydration. 4  Conditions that lead to dehydration, such as fever, excessive sweating, vomiting, diarrhea, blood loss, and burns can cause dry mouth.5  Surgical removal of the salivary glands. 6  Lifestyle. Dry mouth can be a result of nerve damage to the head and neck area from an injury or surgery. 2  Dehydration. 3  Conditions that lead to dehydration, such as fever, excessive sweating, vomiting, diarrhea, blood loss, and burns can cause dry mouth. 4  Surgical removal of the salivary glands. 5  Lifestyle.