Friday, April 27

Backyard and Beyond: Forest Fridays. Discovery Museum, 177 Main St., Acton. 10-10:45 a.m. Participate in a nature-based activity on the weather and season and explore either the Discovery Woods or the conservation land adjacent to the Museums. Designed for ages 2 to 6. Free with admission. Members free, nonmembers $14.50, children under 1 free. discoveryacton.org.

Preschool Story and Nature Hour: Rain Showers. Wachusett Meadow Wildlife Sanctuary, 113 Goodnow Rd., Princeton. 10:30-11:30 a.m. Enjoy an hour of nature-themed fun with your youngster, during this time of crafting, reading, and exploration. For ages 2.5 to 5. Register ahead. Member children $3, nonmember children $4, adults free. massudubon.org.

Boston Children's Chorus: Movement Art Is. Institute of Contemporary Art: Boston. 25 Harbor Shore Dr., Boston. 8 p.m. Celebrate 15 years of music, education, and activism with the Boston Children's Chorus as it performs with extraordinary power, grace, and hope. Through Saturday. Members $27, nonmembers $30. icaboston.org.

Saturday, April 28

Walk & Run for Autism Acceptance. Quinsigamond State Park, 248 Lake Ave., Worcester. 7:30-11:30 a.m. Hosted by Autism Resource Central, the event includes a 5K run and walk, a USATF certified course, a kids fun run obstacle course, family activities, games, live music, and prizes for top finishers. Fee for runners is $30; fee for walkers is $10; fee for kids' obstacle course is $5. The race begins at 10 a.m.; registration opens at 7:30 a.m. autismresourcecentral.org/fundraising/run-walk/

Birds of Prey. Farrington Nature Linc, 295 Cambridge Tpke., Lincoln. 9:30-10:30 a.m. Birds of prey have inspired artists from prehistoric times to the present day. The birds' appeal ranges from the majesty of the peregrine falcon and the red-tailed hawk to the elfin charm of the tiny saw-whet owl. The presentation focuses on five live birds of prey. Each bird is displayed by the Wingmasters presenter for 10-15 minutes while the audience has the opportunity to draw and ask questions. The Wingmasters presenter will point out each bird's characteristics, guiding the audience toward a fuller understanding of what defines a bird of prey. $10.

Annual Earth Day Charles River Cleanup. DCR Hatch Memorial Shell & Esplanade, 47 David G Mugar Way, Boston. 9 a.m.-12 p.m. Join over 3,000 volunteers as we pick up litter, remove invasive species, and assist with park maintenance to help keep the Charles clean. Free. Register ahead. crwa.org.

Art in the Garden. Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 10-11:30 a.m. Create a house for the real or imaginary creatures that live in your garage, as we experiment with a range of colorful, found, and recycled materials. Register ahead. Member children $10.20, nonmember children $12, adults free. carlemuseum.org.

Backyard Chickens. Southwest Corridor Community Farm, Hoffman & Lamartine Streets, Jamaica Plain. 10-11:30 a.m. Come join the Chickeness of Yardbirds Backyard Chickens and her feathered friends for an overview of chicken breeds, where kids are welcome to join and meet the hens. Member adults $9, nonmember adults $15, children free. thetrustees.org.

Star Wars Day. Children's Museum in Easton, 9 Sullivan Ave., North Easton. 10 a.m.-2 p.m. Come dressed as your favorite Star Wars characters and join us for a day of thematic activities. Members $5, nonmembers $10. childrensmuseumineaston.org.

Play Date: What Makes Change Happen? Institute of Contemporary Art: Boston, 25 Harbor Shore Dr., Boston. 10 a.m.-4 p.m. Explore the galleries, step inside our Art Lab installation, and create and add artworks that encourage hope and change. Free with children. icaboston.org.

31st Annual Sheepshearing Festival. Gore Place, 52 Gore St., Waltham. 10 a.m.-5 p.m. Celebrate the Spring and the sheep getting trimmed down, with a day filled with fiber art, sheep-herding demonstrations, artisan crafts, music, and more. Members free; nonmember adults $20, children 12 and under free. goreplace.org.

Backyard and Beyond: World Fish Migration Day and the Year of the Salmon. Discovery Museum, 177 Main St., Acton. 11 a.m.-2 p.m. Learn about our local migratory fish species and the obstacles they face in our rivers and streams, pretend to be a fish, and learn about conservation methods to help these fish on their way. Free with admission. Members free, nonmembers $14.50, children under 1 free. discoveryacton.org.

Sheep & Wool Festival. Wachusett Meadow Wildlife Sanctuary, 113 Goodnow Rd., Princeton. 1-4 p.m. Celebrate the sheep and learn how sheep are sheered and how fleeces are turned to warm hats and mittens. Join local vendors and crafters, enjoy kids' activities, and more. Rain Date Sunday. Register ahead. Member adults $7, children $4; nonmember adults $10, children $5. massaudubon.org.

Especially for Me: Deaf, Hard of Hearing, or KODA Families. Discovery Museum, 177 Main St., Acton. 5-8 p.m. Enjoy an evening of exploration for families with deaf, hard of hearing, or KODA children, with dinner from Not Your Average Joe's. Register ahead. Free. discoveryacton.org.

4th Annual Worcester County Dance Festival. The Hanover Theatre for the Performing Arts, 2 Southbridge St., Worcester. 7 p.m. Enjoy an evening of diverse dance celebrating New England's talented schools and companies on one stage fostering creative exchange of ideas and inspiration. $20. thehanovertheatre.org.

Sunday, April 29

Art in Bloom Community Day. Museum of Fine Arts: Boston, 465 Huntington Ave., Boston. 10 a.m.-4 p.m. Celebrate Art in Bloom with family-friendly programming and special entertainment. Free with admission. Members free; nonmember adults $25, youth ages 7 and up $10, ages under 7 free. mfa.org.

The 7th Japan Festival Boston. Boston Common, Boston. 11 a.m.-5 p.m. Enjoy food booths, workshops, stage performances, cosplay, raffles, and a kids' corner during this day of cultural exchange, fun, and community. Free. japanfestivalboston.org.

New England VegFest. DCU Center, 50 Foster St., Worcester. 11 a.m.-5 p.m. Come together as a community during this celebration of vegetarianism, featuring free food, kids' activities, cooking demonstrations, raffle prizes, and more. newenglandvegfest.com.

36th Annual Run of the Charles. Christian Herter Park, Soldier's Field Rd., Brighton. 11:30 a.a. Watch the boaters, kayakers, and canoers finish Run of the Charles as you celebrate with live music, raffles, vendors, and plenty of fun. Free. crwa.org.

Itty Bitty Adventures: Forest Explorers. South Shore Natural Science Center, 48 Jacobs Ln., Norwell. 1-2:30 p.m. Join us to explore a very special forest ecosystem that can be found at the Science Center. Member children $10, nonmember children $13, caregivers free. southshorenaturalsciencecenter.org.

Special Sundays in the Studio: Inspired by Animals. Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 1-4 p.m. Enjoy this time to break away from the week and be inspired by the variety of animals just outside our door, in your house, or within our favorite picture books. Free with admission. Members free; nonmember adults $9, youths $6, ages under 1 free. carlemuseum.org.