1.5 inches is the diameter I use on all my nest boxes. It excluded Starlings
while letting Swallows, chickadees and wrens in.


>
>
>Greetings,
>
>I've got some starlings moving in to a tree right outside my window, and
>while guano is good for plants, I'd rather not have to look at it all the
>time.
>
>Do any of you know a good diameter that I could use to block out the
>beasts, but let in the meek?
>
>Thanks,
>Nick
>
>
>
>
>
>

--
*********************************** I got the blues so bad one time
* Mike Patterson, Astoria, OR * it put my face in a permanent frown
* mpatters at orednet.org * but I am feelin' so much better
*http://www.pacifier.com/~mpatters* I could cake-walk into town