1 - 6

Butterfly Film: The California Native Plant Society's Yerba Buena Chapter presents a one-hour movie entitled "Butterflies & Bulldozers: San Bruno Mountain," about the fight between habitat protection and urban sprawl, County Fair Building, Golden Gate Park, Ninth Avenue and Lincoln Way, Thursday, June 3, 7:30 p.m., free. For more information, call (415) 752-7031.

Sunset Kids Day: The Friends of SF Public Library and West Sunset Connect host a celebration to kick off the library's summer reading program with a family-style barbeque, entertainment, stories and more, West Sunset Playground, 3223 Ortega St., Saturday, June 5, 1 - 3 p.m., free. For more information, call (415) 626-7512, ext. 101.

Mt. Sutro Restoration: The Sutro Stewards will hold a habitat work day in honor of national Trials Day to clear and repair trails at Mt. Sutro, meet at the Woods Building parking lot at UCSF, 100 Medical Center Way, Saturday, June 5, 9 a.m. - 12:30 p.m., social at 12:30 p.m., free. For more information, send an e-mail to Craig at mediacraig@mindspring.com.

Academy's Living Roof Project: The public is invited to learn about the California Academy of Sciences' living roof to gain knowledge about collecting biological data, participants qualified to return as citizen scientists to gather data for research, for ages 12 and older, Golden Gate Park, Saturday, June 5, 9:30 a.m. - 12:30 p.m., $12 for non members, $10 for members. For more information or reservations (required), call (415) 379-8000.

Free Concert: The Golden Gate Park Band will perform opera and popular Italian music at the bands weekly concert, Music Concourse, Golden Gate Park, Ninth Avenue and Lincoln Way, Sunday, June 6, 1 p.m., free. For more information, call (510) 530-0814 or go to the website at www.goldengateparkband.org.

7 - 13

Fire Truck for Youth: Children are invited to see a fire truck and fire fighters from Station #31, Senator Milton Marks/Richmond Branch Library, 351 Ninth Ave., Tuesday, June 8, 3 p.m., free. For more information, call (415) 355-5600.

Life of Rocky Raccoon: A lecture by Megan Isadore focuses on the lives of urban and rural raccoons, which have some "amazing" physical traits and behaviors, Randall Museum, 199 Museum Way, Thursday, June 10, 7:30 - 8:30 p.m., free. For more information, call (415) 554-9600 or go to the website at www.randallmuseum.org.

Dance Fundraiser: China School & Theater, featuring principal dancer and current Miss Chinatown Crystal Lee, is performing at the Ethnic Dance Festival, Palace of Fine Arts Theater, Friday, June 11, reception and auction at 6 p.m., performance and live auction at 8:30 p.m., $150. For more information, call (415) 474-3914.

Annual Rose Show: The Golden Gate Rose Society hosts its annual show, featuring speakers and award-winning roses, Forest Hill Church, 250 Laguna Honda Blvd., Saturday, June 12, 12:30 - 4 p.m., free. For more information, call (415) 647-4486.

Poetry Writing Classes: Sally Love Saunders conducts writing classes for budding poets over the age of 10, Cultural Integration Fellowship, 2650 Fulton St., Saturday, June 12, 11 a.m. - 12:30 p.m., free. For more information, send an e-mail to slovesndrs@aol.com.

14 - 20

NOTE: This event has moved to June 21
"Remembering Playland:" Filmmaker Tom Wyrsch will show his documentary film about the Ocean Beach amusement park, which was torn down to make room for condominiums, Sunset Branch Library, 1305 18th Ave., Monday, June 14, 7 p.m., free. For more information, call (415) 355-2808.

Titan Moon Lecture: The SF Amateur Astronomers presents a talk about Titan, Saturn's largest moon, by Dr. Mate Adamkovics of the U.C. Berkeley Astronomy Department, Randall Museum, 199 Museum Way, Wednesday, June 16, 7:30 p.m., free but donations accepted. For more information, call (415) 554-9600 or go to the website at www.randallmuseum.org.

Boswick the Clown: Children of all ages can enjoy the magic, juggling and comedic antics of Boswick the Clown, a former Ringling Bros. circus clown, Senator Milton Marks/Richmond Branch Library, 351 Ninth Ave., Thursday, June 17, 2 p.m., free. For more information, call (415) 355-5600.

Youth Orchestra Auditions: The Sunset Youth Orchestra will hold auditions for youth between the ages of eight to 18, on Friday, June 18, St. John's Church, 25 Lake St., 4 p.m., all instruments welcome. For more information, call (415) 242-9057 or go to the website at www.sunsetyouthorchestra.com.

Button Making for Teens: Teenagers can create their own custom 1-inch-wide buttons to pin on their jackets, bags, etc., Ortega Branch Library, 3223 Ortega St., Saturday, June 19, 1 - 2 p.m., free. For more information, call (415) 753-7120.

Innovations in Animation: The Walt Disney Museum hosts a lecture entitled "Sound, Color and Depth," with Russell Merritt, who will discuss the legacy of some of Disney's groundbreaking short films, Presidio, 104 Montgomery St. (at the Parade Grounds), Saturday, June 19, 3 p.m. For more information, call (415) 345-6800.

The Cullens - Twilight Tribute Band: For teenagers who can not wait to see the upcoming movie "Eclipse," the Cullens, a Twilight inspired rock band, will perform, Senator Milton Marks/Richmond Branch Library, 351 Ninth Ave., Sunday, June 20, 3:30 - 5:30 p.m., free. For more information, call the teen services librarian at (415) 355-5610.

21 - 30

"Remembering Playland:" Filmmaker Tom Wyrsch will show his documentary film about the Ocean Beach amusement park, which was torn down to make room for condominiums, Sunset Branch Library, 1305 18th Ave., Monday, June 21, 7 p.m., free. For more information, call (415) 355-2808.

Ballroom Dance Classes: Couples can learn the Samba, Rhumba, Cha Cha Cha, Mambo, Tango, Waltz, Foxtrot, Swing and more, Forest Hill Christian Church, Fellowship Hall, 250 Laguna Honda Blvd., Thursday evenings beginning June 24, Six lessons for $70 per couple. For reservations or more information, call (415) 661-2746.

Historic Watercourses Lecture: Geography researcher Joel Pomerantz will talk about historic watercourses in San Francisco, including the "wiggle and the panhandle," where there were once lakes, streams and Ohlone Indian trails, Randall Museum, 199 Museum Way, Thursday, June 24, 7:30 p.m., free but donations accepted. For more information, call (415) 554-9600 or go to the website at www.randallmuseum.org.

Adult and Senior Computer Class - Part 3: An instructor will give an overview of e-mail accounts, beginning with the basics, Sunset Branch Library, 1305 18th Ave., Monday, June 28, 6:30 - 8 p.m., free. For more information or to register (required), call (415) 355-2808.

Film Screenings: Local filmmaker Judy Irving will show two of her short films, "19 Arrests, No Convictions" and "Christmas at the Bait Shop," Senator Milton Marks/Richmond Branch Library, 351 Ninth Ave., Wednesday, June 30, 6:30 p.m., free. For more information, call (415) 355-5600.