The Mt. Diablo Audubon Society will meet Thursday, June 1, in the McHale Room of the Pleasant Hill Community Center at 320 Civic Drive, Pleasant Hill, 94523.   Everyone is welcome to bring a snack to share, if they wish. Parking is free.   6:30 PM Doors Open 7:00 PM Birding Info: Winners of the MDAS photo contest 7:25 PM Announcements 7:40 PM Refreshments and Raffle 8:00 PM Main Program: Antarctica *as a conservation organization we encourage you to bring…