I am wondering if i should worry about a pair of mergansers on my pond. The worry is that it is full of FHM and I'm wondering if i should worry about them making an impact on them. If i should worry what do i do? Go to the gun safe?

Ya, now it's two pair

Last edited by ThePondDragon; 03/09/16 04:52 PM. Reason: New info came to light
0.7 acre pond stocked 2020, LMB, PS, YP.