Pellet Formation in a Great Horned Owl: A Roentgenographic Study

Abstract

JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org.. American Ornithologists' Union is collaborating with JSTOR to digitize, preserve and extend access to The Auk.