Moochie----- They are probably looking for tiny bits for grit or bugs under. I have assorted gravel and they are always digging in it, whenI hose their gravel pens , they love to dabble looking for bits of bugs ...
Pools. I have/had a big preformed pond ,we put a drain in and dug in ground and made sure it drained down hill into our woods. Worked great for 3 years, then it sprung a leak at drain.I took it out to move near orchard to recycle the water . But it is still sitting waiting to be dug in when son comes home from college
I could let it go a week or so in hot weather before draining (it was in shade), Much longer in winter.I did have to make a hardware cloth drain cover as the leaves, rocks and sticks the geese put in it would get stuck in drain. I usually had to "pull the goop out" after draining too.(Soooo much fun)
But they did love it. For now. I just use pans and pools. Slope is important and what are you going to do with the water, and having a well...............
Pools. I have/had a big preformed pond ,we put a drain in and dug in ground and made sure it drained down hill into our woods. Worked great for 3 years, then it sprung a leak at drain.I took it out to move near orchard to recycle the water . But it is still sitting waiting to be dug in when son comes home from college