Probably something in there, look for wood bee holes.
Note that male woodpeckers love siding that makes a lot of noise, they mark their territory by hammering on hollow limbs that boom. Siding works really well for that, so do stores bee hive boxes.
Peter _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com