Alert mammalogists will notice a large number of mammal specimen while driving along the highways. The D.O.R. ( dead on road ) specimen is frequently very suitable for mounting, especially if it has been flipped to the side of the road and is fresh. Meadow mice (genus Microtus) , which are very difficult to trap in snap traps,can be obtained in huge numbers by following a farmer as he plows his field. A canvas bag and leather gloves are the only necessary equipment. Occasionally, gophers are evicted by the plow; these same animals can also be obtained when rivers periodically flood into cultivated fields