My wife and kids and, most of the time I, have spent probably 100 nights or more backpacking in the Sods, on Canaan mtn, Spruce Mtn, etc... with quite a few more day hikes and mtn bike rides. In all that time, we have never seen an animal that is cause for concern. Lots of deer, great variety of birds, beavers, and small green snakes. About 6 years ago we saw a timber rattle snake, but it was, unfortnately, dead on the Canaan Loop road. Probably lived it's whole life in a den in the rocks until it made the mistake of sunning itself on the gravel road one day. And about 15 years ago my wife's backpack hit a hornets nest when we were bushwacking and she was stung several times. But clearly the most dangerous animal out there is the biped kind that carries firearms and paints itself with camo paint.
We have seen a few of those and THAT is disconcerting.
Ironically, we have seen many bears in MD in Garrett County. Actually had to stop for one on a mtn bike ride once 'cause it wasn't inclined to move just on the account of me. Also saw a mtn lion down on the North Branch (MD-WV border), but that was WAY back in and a much wilder location than anything near Canaan Valley.
For a nice, low fauna stress walk, try the Blackbird knob trail from Red Creek Campground on the Sods and maybe go down to the falls at the forks of Red Creek. Another nice one is along the western crest of the Sods above Timberline's houses. This is esp. good on a nice weather day. Follow Freeland road to where you can't drive any further, then follow the trail from there. You'll come to a big trail map/sign. Continue straight and you'll come out on the western crest. Follow as far as you like and then retrace back to the car.