ANIMAL TRACKS
'(<a href="http://www.j-archive.com/media/2005-10-04_DJ_21.jpg" target="_blank">Sarah of the Clue Crew shows some animal tracks displayed on a monitor.</a>)  Though its tail sometimes drags over its trail, this animal, Castor canadensis, can be identified by its <a href="http://www.j-archive.com/media/2005-10-04_DJ_21a.jpg" target="_blank">webbed hind foot</a>'
the beaver