Build a Bird, 1 to 2 p.m. Learn about how birds’ bodies are built for the places they live, the things they eat and more! We will use some local Pine Bush birds as examples of how birds are different from each other. Location: Albany Pine Bush Discovery Center, 195 New Karner Road, Albany, NY Fee: $3 per person/$5 per family/Children under 5 yrs free. Registration required. Please sign up by calling 518-456-0655 or visit www.AlbanyPineBush.org/events.

“Backyard Birds and a Winter Walk” at Thacher Nature Center. 2 p.m. Join us for the Great Backyard Bird Count!  Appropriate for adults and children ages 6 and up. Call 518-872-0800 to register.

Cunning Coyotes. 11 a.m. to 1 p.m. We will start inside with a short talk about the history and biology of the eastern coyote, then hike 0.9 miles in the preserve as we pause to look for coyote signs and explore the habitat of one of the smartest, most elusive animals in the Pine Bush. Location: Albany Pine Bush Discovery Center, 195 New Karner Road, Albany, NY. Fee: $3 per person/$5 per family. Registration required. Please sign up by calling 518-456-0655.

“Ecology and Behavior of Fishers in Suburbia” at Thacher Visitor Center. 2 p.m. Learn about the natural history of fishers, and the ecological and behavioral insights uncovered during a suburban fisher research project near Albany. Call 518-872-0800 for more information.

The stories of Adirondackers who served at the Battle of Iwo Jima will be the topic of a free talk at the New York State Military Museum at 2 p.m. The talk "We Were There: Adirondack Survivors of Iwo Jima" will be delivered by Dr. Daniel Way.

Aconite and Agony: A Tale of 19th Century Medicine in Bethlehem NY. Presenter: Stuart Lehman. 2 p.m. Delmar Reformed Church, 386 Delaware Avenue, Delmar.

The Writer's Pad is hosting guest speaker, Dawn Greenfield Ireland, a local author and publisher from 7 to 9 p.m. Greenville Library in the large community room. Call 518-966-8629, or go to dawngreenfieldireland.com.

Science Lecture Series: The History of the Rapp Road Community. 6:30 to 8:30 p.m. Ages 15+. Free! Location: Albany Pine Bush Discovery Center, 195 New Karner Road, Albany, NY. Registration required. Please sign up by calling 518-456-0655.

The New York Capital District Christian's Women's Connection Luncheon 11:30 a.m. to 1:30 p.m. at the Guilderland Elks Lodge,  3867 Rte 146 (Carmen Road), Guilderland, NY 12303, (just off Rte 20 - Western Avenue),  518-355-2480.

St. Valentine and Carnevale celebration. 12 p.m. lunch-hour program to discuss Italian traditions surrounding these celebrations. Bring your lunch. Reservations required. American Italian Heritage Association, 1227 Central Ave., NY 12205. (518)435-1979.