In other areas they cause considerable damage to watermelons, citrus fruits, and avocados. Aircraft safety is often jeopardized when coyotes take up residence on or near runways. In urban and suburban areas, coyotes commonly take domestic house cats, small dogs, poultry, and other domestic animals. Disease Distemper and canine hepatitis are among the most common diseases of coyotes. Rabies and tularemia also occur and may be transmitted to humans and other animals.
Coyotes often carry parasites including mites, ticks, fleas, worms, and flukes.
Mites which cause sarcoptic mange are an important ectoparasite of coyotes. Heartworm is one of the most important endoparasites in California's coyote population. This parasite can be transmitted to domestic dogs by mosquitoes. Reducing or eliminating the availability of these elements will often encourage coyotes to leave. Garbage can lids should be secured at all times or garbage stored indoors.