Mountain Lions are round and have three lower lobes and two higher lobes on track and dont show claws unless maybe they are running or some activity...
An old Newfie friend always said for mallards and Widgeon take a sniff around their opened beaks when got around streams that have spawning salmon in...
I'm not a member but it's a very paper and pencil managed type club from what I have seen. I know i'm on the waiting list but it was through a member...