months (F = - 2 ym; Figure 1. The number of male and female coyotes captured each month during de~redation control efforts in western Virginia by method. ' Females comprised 51% of our sample and males 49%.
Common causes of mouth ulcers. The most common causes of mouth ulcers are related to disturbances of the mouth and include: 1  Bacterial infections. 2  Canker sores. 3  Dietary deficiencies, such as lack of vitamin B-12, zinc, folate (folic acid), or iron. 4  Emotional stress. 5  Food allergies. 6  Nutritional deficiency. 7  Spicy foods.
Grinding or clenching the teeth can also irritate the sides of the tongue and cause it to become painful. Smoking. Smoking excessively can irritate your tongue and make it sore. Canker sores. Many people will develop these mouth ulcers on the tongue eventually. The cause is unknown, although they can be worse during periods of heightened stress.