Birds of the Northwestern National Parks: A Birder's Perspective

A Birder’s West Indies: An Island-by-Island Tour

Mountainous West, Denali to Pico De Orizaba

A Field Guide to Birds of the Big Bend: Edition 2

For All Seasons: A Big Bend Journal

Naturally . . . South Texas: Nature Notes from the Coastal Bend

Songbirds of the West: Personal Encounters

Finding Mexican Butterflies

Feathers and Scales: Writings About Birds and Butterflies

Ruins to Ruins: From the Mayan Jungle to the Aztec Metropolis

Borderland Birds: Nesting Birds of the Southern Border

Natural Inclinations: One Man’S Adventures in the Natural World