Britain's Birds: An Identification Guide to the Birds of Britain and Ireland, Second edition

Hume, Rob; et al

Birds of Malaysia and Singapore: Princeton Field Guides

Seng, Lim Kim, Yong Ding Li, and Lim Kim Chuah

What Birds Eat: How to Preserve the Natural Diet and Behavior of North American Birds

Long, Kim

Tiny Bird: A Hummingbird's Amazing Journey

Burleigh, Robert; illustrated by Wendell Minor

Peterson Field Guide to Birds of Western North America, Fifth Edition (Includes Hawaii)

Peterson, Roger Tory

Birding Notes

Birds of the Pacific Northwest: A Photographic Guide. Second edition

Aversa, Tom, Richard Cannings and Hal Opperman

Sky Islands: Encountering a Landlocked Archipelago

Fischer, Dan L.

Falcon Freeway: A Big Year of Birding on a Budget

Hagenlocher, Christian

Birds of Bolivia: Field Guide

Herzog, S.K., R.S. Terrill, A.E. Jahn, J.V. Remsen, Jr., O. Maillard Z., V.H. Garcia-Soliz, R. MacLeod, A. Maccormick, and J.Q. Vidoz

Birdwatching: A Different Sort of Guide

Keen, Clive

Viaje a las Rapaces [Journey of the Raptors]

Varela, Juan & Victor J. Hernandez