WESTBOROUGH —The Massachusetts/Rhode Island Chapter of the American Chestnut Foundation will present a free public program from 7 to 8:30 p.m. Oct. 1 at the MassWildlife Field Headquarters, 1 Rabbit Hill Road.

The doors will open at 6:30 p.m. to allow time to view the indoor trout stream and other features of this net zero energy-designed building.

The program will begin with “American Chestnut 101” by Brad Smith, MA/RI TACF chapter director.

“Baby Bald Eagles and Chestnuts” will be presented by author, falconer, veterinary technician and wildlife rehabilitator, Dianne Benson Davis, and retired MassWildlife biologist, Bill Davis. The two will discuss their involvement with the restoration of the American bald eagle in Massachusetts and the potential for the restoration of the American chestnut to enhance open space and benefit people and wildlife alike.

After the program, there will be Q&A and signings of Davis’ book, “Eagle One: Raising Bald Eagles — A Wildlife Memoir”, which will be available for purchase.

Registration is required: bit.ly/2n46R0E.