It's quiet

but I think it's a spring peeper. All of 3/4 inch in size.
I have what used to be a 20ft square flower bed that got seriously overgrown while the house was being rebuilt, and I haven't attempted anything with it. It's now full of goldenrod, black-eyed susans and the meadow rue I put in deliberately is wild. 
It is however , a butterfly trap. And apparently a peeper trap as well. 
If I got the ID wrong and you know it is other than a springpeeper  please let me know.