David Ascanio is Venezuela's top field birder. He has travelled extensively throughout Venezuela and elsewhere in the neotropics, and has field experience of almost every species in the book. He runs his own travel agency in Venezuela and has led bird tours for Victor Emanuel Nature Tours for more than thirty years. Gustavo Rodriguez is an experienced Venezuelan ornithologist who has been leading birding tours since 1996. He has written and coauthored several articles on birds of Venezuela. Robin Restall is the senior author and sole illustrator of the acclaimed Birds of Northern South America (Helm, 2006), and was also author of Munias and Mannikins (Pica Press, 1996). He has provided all of the illustrations for this new field guide.