Marcelo, The single track in the last picture is an Alligator track. The mud slide is a LARGE snapping turtle. No sir not a pig farm LOL . We havent had any rainfall for the past 45 days. We are 15 inches below normal for rain fall and this is the only water around for about 2 miles. This Slough is along the edge of a cut corn field on one side and about 1000 acres of CRP , Conservation Reserve Program , land on the other side. Without any recent rain to wash away the tracks some of the them are at least 45 days old. But a lot of them are pretty fresh also. But right now it is for sure a honey hole.