Professional mole trapper provides information on mole behavior, ecology, and control. Illustrated articles, FAQ, listing of several other US trappers by state.
Purdue University lab provides identification of pests and problems associated with plants. Services extended to businesses and individuals throughout Indiana and the US.
University of Nebraska organization offers information on identification and control of mammal, bird, and reptile pests, a business registry of wildlife services, and links to other university resources.
Information from Ohio State University about habitat, diet, biology, and control of the common rabbit. Includes lists of plants arranged by extent of rabbit damage.
Mostly informational site about tree health, including pages on common pests, dealing with soil compaction, and mycorrhizal and fertilizer treatments. Also contact information for professional arborists in the US.