I think you answered your own question...never park under a tree with the top left down....I try not to park under anytrees...tree sap is murder to get off...have to clay it off...enjoy...I have been lucky dodging birds I quess...I just have trouble keeping my wife from eating in it...she spilled a coke last trip out...I banned her from her car...she is still mad at me...rules are rules...good night all...