Montana Bird Distribution, 6th Edition
The Montana Bird Distribution (MBD) database and associated publications is a collaborative effort among Montana Audubon, MFWP, and the Montana Natural Heritage Program to maintain up-to-date information on the status and distribution of Montana's bird species. The first edition of MBD was published in 1975, and the MBD database was developed in 1991.
Copies of the book are available ($15 postage paid) from:
- PO Box 595
- Helena, MT 59624-0595
- (406) 443-3949