The 78th Shinnecock Indian Nation powwow is planned for this weekend. The annual celebration of Indigenous cultural traditions brings together Native groups from many regions and offers educational opportunities for the community at large.

When Ken Lustbader and Jay Kidd first saw Casey, a female husky mix with special needs, at the Animal Rescue Fund of the Hamptons adoption center 10 years ago, they were struck by her “sweet energy and intrinsic kindness.” Mr. Lustbader remembers Mr. Kidd saying, “that’s the dog we need.”

Back to the Bays is spearheading a project to build an oyster reef in Sag Harbor, which is bringing together local government and private citizens, as well as children.

Andy Sabin, president of the South Fork Natural History Museum’s board of directors, will help kids of all ages learn about snapping turtles and even try to find some on Saturday at 10 a.m. at the museum. Plus: kids' movies, arts and crafts, card games, and more family-friendly fun around town.