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.
Trauma from dental work, broken teeth or restorations, and cheek bites and scrapes from hard foods like chips can all precipitate an oral ulcer. Many medications have been linked to outbreaks of oral ulcers. They include NSAIDS (Non-steroidal anti-inflammatory drugs), chemotherapeutic agents, and beta-blockers.