Track: an impression made by a single foot.  Trackway: a number of tracks made during a single trip.  Trail: an impression made by an animal without legs.  Burrows: a hole or holes an animal dug into loose sediment (like mud).  Borings: a hole or holes an animal dug into a hard substrate (like wood or rock).  Eggs and Nests: shells that at one time would have contained babies and the nests that the babies would have been kept in.  Coprolites: poop that has become fossilized 

burrows, feeding marks and footprint