Children’s Renaissance Festival, Sand Lake Center for the Arts, 2880 NY-43, Averill Park. 1 to 5 p.m. $5 for children younger than 12. Children’s joust, catapults, archery, coloring activities, crafts, book readings. 518-674-2007.
Family Story Time, Tales of Birds and Beasts, Albany Institute of History & Art, 125 Washington Ave., Albany. 10:30 a.m. Free. Stories, songs and rhymes for children up to age 5 and their families. Registration recommended.
Siena College Observatory Grand Opening, The Breyo Observatory at Siena College, Roger Bacon Hall, Colonie. 6 p.m. Free. Take the opportunity to view the moon, Mars and Saturn through the largest diameter telescope in the Capital Region. Registration required for all viewing times.
Talk: “Schenectady County Forest — A Brief History,” Mabee Farm Historic Site, 1100 Main St., Rotterdam Junction. 2 p.m. $5, free for members. Lorrie Runnels will discuss how the Schenectady County Nature and Historic Preserve came to be and trace the history of Duanesburg Farm 92 and how it became the preserve it is today.
Turkey Talk, Columbia County Soil & Water Conservation District, Mud Creek Environmental Learning Center, 1024 State Route 66, Ghent. 1 p.m. Free. Learn about the bird that was almost the national bird and is a Thanksgiving tradition. Part of the program will be on Mud Creek’s trails. Dress for the weather. Registration required. 518-267-3313. Wild and Wiley Turkeys, 195 New Karner Road, Albany. 11 a.m. Free. Learn about turkey sounds, flight and habitat. Introduction indoors followed by a mile hike. Reservations required.