Books By Mark Lockwood, Georg Zappler, Elena T. Ivy, Juliann Pool, Beverly Morrell, University of Texas Press - Author

Mark Lockwood, of Alpine, Texas, is a conservation biologist in the State Parks Division of the Texas Parks and Wildlife Department. One of the state's leading ornithologists, he is also the secretary of the Texas Birds Records Committee of the Texas Ornithological Society and a member of the American Birding Association's checklist committee.