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.
In a few cases, a long-lasting mouth ulcer can be a sign of mouth cancer. Ulcers caused by mouth cancer usually appear on or under the tongue, although you can get them in other areas of the mouth. It's important to detect mouth cancer as early as possible.