Wildlife Presentation at Thacher Nature Center at 2 p.m.  Meet some wild neighbors up close and personal and learn about where and how they live. Wildlife rehabilitator Kelly Martin will introduce some of the birds of prey and other animals in her care. Learn what to do if you find an abandoned or injured animal and how to help prevent wildlife emergencies. Please bring a donation to support Kelly’s work. Call 518-872-0800 for more information.

Traveling Vietnam Wall Memorial will be displayed from Thursday afternoon, April 26, through Sunday, April 29. A dedication ceremony will take place at 6:30 p.m. on Thursday in Tawasentha Park.

On April 30, Dr. Duke Pesta will be returning to Albany with the shocking truth of campus moral chaos and indoctrination. Dr. Pesta had previously enlightened us about the Common Core education. 844-WAKEUP1   Email: jbsactivity@Yahoo.com. 7:30 pm, Marriott Hotel, 189 Wolf Road, Colonie, NY.

Switzkill Farm in Berne Earth Day Celebration from 11 a.m. to 3 p.m. Kids activities/crafts, wildlife rehabilitator, food, music, vendors, honeybee demonstration, geocaching, radio-controlled car demonstration, guided nature and geology walk at 1 PM. Kids can take home a tree for planting. Event is free and open to the public.

Nest Box Monitoring Workshop at Thacher Nature Center. 11 a.m. to 1 p.m. This training will teach you to identify the birds using the birdhouse or nest in your yard and how to monitor the progress of the nestlings. Learn how to obtain and record data and how to keep your baby birds safe from harm. Call 872-0800 to register for this free program.

The Capital Region Jewish Genealogical Society (CRJGS) will present an “Introduction to Using DNA in Genealogy”. The meeting will take place Sunday, April 22, from 10 am to noon at Congregation Gates of Heaven in Schenectady, NY.

2018 Capital District African Violet Society Annual Show and Sale. "A Violet Rainbow". April 22, 1 to 4 p.m. and April 23 12 to 4 p.m. St. Matthew's Catholic Church 25 Mountainview Street Voorheesville, NY 12186.

Albany Pine Bush Preserve Commission will host its annual Earth Day celebration at the Discovery Center from 9 a.m.to 12 p.m.

Celebrate Earth Day. 10 a.m. The Friends of the Woodlawn Preserve, Capital/Mohawk PRISM and NYFOA CDC are hosting a Woodswalk in Schenectady’s Pine Barrens Preserve. Meet at information kiosk at the end of Gifford Rd. (600 block), 1 mile south of State St. near the Schenectady/Niskayuna line.

“Thacher State Park: A Classic North American Geologic Site” at Thacher Visitor Center. 2 p.m. Explore these various Helderberg histories with Dr. Chuck Ver Straeten, geologist at the NY State Museum. Call 518-872-0800 for more information.