Saturday, May 8, 9 -11 a.m. Senior ranger and native plant expert Ginny McVickars will lead a wildflower walk into the Modjeska Reserve. Visitors will learn about the many blooming native plants in the area. Fee: $3 with advance reservations, $4 at the door. Reservations: (714) 836-7090.

Saturday, May 15, 10 – 11 a.m. Min-Li Chang will talk on “What Dangers Lurk in Still Waters,” a presentation dealing with mosquitoes, related diseases and habitat. Fee: $3 with advance reservations, $4 at the door. Reservations: (714) 836-7090.

Saturday, May 15, 1 - 3 p.m. “Meet the Artist.” Bruce K.M. Meyers, a graduate art major at Cal State Fullerton, will unveil a new diorama mural depicting the native habitat of the canyons. Refreshments. Open to the public free of charge.Saturday, June 26, 10 – 11:30 a.m. Birkin Newell, Tucker resident manager, will lead a nature walk that focuses on the diversity of local native plants. Fee: $3 with advance reservations, $4 at the door. Reservations: (714) 836-7090.

Saturday, June 26, 4 – 6 p.m. Volunteers are needed to help spruce up the sanctuary at “Tucker Volunteer Work Day.” Hot dogs and refreshments will be provided to all helpers at 6 p.m. Bring gloves and garden tools. Information: (714) 649-2760.

Saturday, July 31, 10 a.m. – 12:30 p.m. Artist Patt Blair will show participants how to create a beautiful silk scarf using paints, natural sunlight and foliage from the sanctuary. Blair is the instructor and workshop coordinator for “Soft Expressions” art and quilt supply store in Orange. Fee: $3 with advance reservations, $4 at the door. $10 materials fee. Reservations: (714) 836-7090.

Saturday, Aug. 14, 10 – 11 a.m. Andrea Murray, a graduate student from the Cal State Fullerton Anthropology Department, will speak on “American Indians Who Lived in the Tucker Vicinity and Within Orange County.” Fee: $3 with advance reservations, $4 at the door. Reservations: (714) 649-7090.