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%.
Other less common viral and bacterial infections may cause mouth ulcers, but this is rare. Mouth ulcers can be caused by anaemia and occasionally by other blood disorders, and some skin or gastrointestinal diseases. Sometimes the mouth ulcers are the only sign of an underlying disease.
Canker sores can, in some instances, contain blood, in which case they could be considered a type of blister. Oral ulcers are usually the result of an overgrowth of certain types of microorganisms in the mouth. These microorganisms can cause lesions and blisters to form in the mouth.