Genera of Humming Birds is a comprehensive book written by Adolphe Boucard in 1895. The book is a detailed monograph of hummingbirds, covering their taxonomy, morphology, behavior, and distribution. Boucard describes the different genera of hummingbirds and provides illustrations and descriptions of each species within those genera. He also includes information on their habitats, migration patterns, and feeding habits. The book is written in a scientific...