Montana Birds (Nature Observation North America)

Birds of Montana Field Guide (Bird Identification Guides)

Montana Trees & Wildflowers: A Folding Pocket Guide to Familiar Plants (Wildlife and Nature Identification)

Montana Wildlife: A Folding Pocket Guide to Familiar Animals (Wildlife and Nature Identification)

Wildflowers of Montana

Montana Butterflies & Moths: An Introduction to Familiar Species (Wildlife and Nature Identification)

Montana Nature Set: Field Guides to Wildlife, Birds, Trees & Wildflowers of Montana

Colorado Birds: A Folding Pocket Guide to Familiar Species (Wildlife and Nature Identification)

Animal Tracks: A Folding Pocket Guide to the Tracks & Signs of Familiar North American Species (Wildlife and Nature Identification)

Peterson Field Guide to Birds of Western North America, Fourth Edition (Peterson Field Guides)