Beaver

We all know the damage that beavers can cause. They often cause flooding, affect the integrity of roads, alter waterways, and damage trees. They cause millions of dollars in damage every year. They carry a variety of diseases and internal parasites some of which are tularemia, nematodes, trematodes, and coccidians. Giardia lamblia is a pathogenic intestinal parasite that causes human giardiasis. They also introduce a variety of other parasites, Including ticks, mites, fleas, etc and the diseases associated with them.