Thanks for everyone's feedback on the turtles.
I tried the plastic heron once,it didn't work for me.The real one still came.We did have a wire around the pond.That worked for a while.I think the herons must be quite intelligent, they always seem to find a way.
I tried the plastic heron once,it didn't work for me.The real one still came.We did have a wire around the pond.That worked for a while.I think the herons must be quite intelligent, they always seem to find a way.