I have found nothing that works better than spreading peanut butter on a tree with grooved bark where the wrens like to hang. Squirrels will lap this up too so the deeper the groves the better. Bob Abrams McLean, VA You are subscribed to VA-BIRD. To post to this mailing list, simply send email to va-bird@xxxxxxxxxxxxxx To unsubscribe, send email to va-bird-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field.