Sparrows and Finches of the Great Lakes Region and Eastern North America
Earley, Chris G.
Exploring the Great Texas Coastal Birding Trail: Highlights of a Birding Mecca
Birds of Phoenix and Maricopa County Arizona. Third edition
Witzeman, Janet and Troy Corman
Seabirds of Hawaii: Natural History and Conservation [HC]
Harrison, Craig S.
ABA Field Checklist - 2016 Weatherproof edition field card
American Birding Association
The Birds of Ohio
PETERJOHN, Bruce G.
The Birds of Illinois
Bohlen, H. David
Birds of North America: A Guide to Field Identification. A Golden Field Guide
Robbins, Chandler S., Bertel Bruun, and Herbert S. Zim
Warblers of the Great Lakes Region and Eastern North America
Oklahoma Breeding Bird Atlas [HC]
Reinking, Dan L.
Hummingbirds of North America: Attracting, Feeding, and Photographing
The Sibley Guide to Bird Life and Behavior
Sibley, David Allen