A bird banding demonstration sponsored by Berkshire Sanctuaries will take place from 10 a.m. to noon Saturday, March 1, at Pleasant Valley Wildlife Sanctuary, 472 West Mountain Road.

The instructor and volunteers will demonstrate the proper use of mist nets and band the birds that are captured. Participants will help gather data and release the birds unharmed.

The program is suitable for children 3 to 18 years and is free with regular sanctuary admission.

Registration is not required.