I believe that is what the sign is doing, keeping people from getting to close to the loons.
Sounds like we need a sign, warning of the sign that warning of the loon nesting area
, again definitely need a tongue in cheek smiley..
I am just being smart, but it would be nice if folks would not bother the wildlife and just observe from a distance. Reminds me of going to the great north woods and witnessing folks chasing moose with their huge spot lights from 50 feet away. Very discouraging to see.