Yes I trained this pair of ducks to investigate any snake activity along my creek!

If they start quacking loudly that means either a Copperhead or Water Moccasin. I was in the area at that time on the video and heard no quacks so must have been just a Black Racer or some other.
Found this on my creek cam yesterday and looks like those ducks noticed and had to check out that snake!
https://youtu.be/1Dm34R6-5QA