Report 67551: Hikers find large footprint and unidentified droppings

We normally walk our dog off lead but entering the start of the hike  at the west entrance my wife and dog were immediately on high alert. My wife wanted our dog on lead as she was spooked.  After approx 1/4 mile I noticed  animal droppings that appeared large human shaped under the uphill undergrowth, spaced every 10-20ft.  I commented on the size and shape of the droppings with my wife and agreed they couldn’t be human as there were too many and under the branches of the uphill side  We discussed how they appeared to be marking a territory. The droppings continued for maybe 150ft. We continue down/East on the trail.  At about the 1/2 mile marrk a deer startled us running from the uphill side across the trail and down the other side. My wife was spooked and we turned around to go back. As we neared the spot where the droppings were I spotted a  single foot print on the uphill side partly hidden by branches. I took pictures using my water bottle and shoe(size 10) for comparison. I wanted to spend more time but my wife and dog were very agitated. I spent 5 minutes searching for a rock or log or anything that would fit in the form of the print thinking it must have been a rock to have left such a deep, clear impression. No luck. We left in a hurry.