Molting is a growth related process in birds in which certain feathers are shed and replaced during the life cycle. The timing, duration, seasonality, extent and pattern of molting follows certain strategies. This book reviews and describes these strategies for nearly 200 species of birds from a 30-year study of birds of the Central Amazon. Each account is to be illustrated with several color photos focusing on wing and tail feather molting.
Erik I. Johnson, Ph.D., is Director of Bird Conservation for Audubon Louisiana and an Adjunct Graduate Faculty Member at the School of Renewable Natural Resources, Louisiana State University. Erik completed his dissertation work studying the effects of forest fragmentation on avian communities at the Biological Dynamics of Forest Fragments Project (BDFFP) in coordination with the Instituto Nacional de Pesquisas da Amazonia (INPA). Through that work, he developed and applied aging criteria to demonstrate how forest fragmentation alters demographic structuring of bird populations, and identified novel patterns in molt-breeding overlap across a suite of Neotropical bird species and families. Now primarily working on avian conservation challenges along the Gulf Coast of the United States, Erik continues to work with students at the BDFFP and helps teach an annual banding workshop offered by INPA. Erik has over 15 years of applied ornithological research experience in five countries resulting in over 25 scientific publications and much of his work is reflected in this volume. Many of these publications advance or utilize knowledge about aging birds, including the advancement of an age classification system based on plumage and molt patterns that is applicable to birds worldwide.
Jared D. Wolfe, Ph.D., is Research Faculty in the Wildlife Department at Humboldt State University and a Wildlife Ecologist at the USDA Forest Service’s Pacific Southwest Research Station. In addition to conducting extensive field work in the Amazon, including his Ph.D. at the BDFFP, Jared has broadened his research interests to Central Africa where he regularly conducts field work to better understand and conserve understudied bird communities in Equatorial Guinea. Recognizing the need for an improved method to classify bird age, Jared developed a transformative and universal system of age classification for tropical birds based on plumage and molt patterns – the system continually grows in popularity among tropical ornithologists. Jared has published numerous articles on bird molt, demography and behavior, and continues to teach advanced banding courses throughout the Americas and Africa.
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