This book is particularly directed toward falconers and professionals who desire to specialize in nocturnal raptors. The first section is an immersion into the life of nocturnals and serves as a basis for the second section, where their behavior is analyzed. Based on the understanding of the mindset of nocturnal raptors, this study permits an understanding of their behavior and the reasons for it, as well as highlighting the differing habits of diurnal and nocturnal predators. Supported by years of experience, study, observation, and testing, this analysis intends to improve their lives and treatment in captivity