Contents hide 1) What Are Birds? (Definition & Classification) 1.1) Evolutionary History of Birds (From Dinosaurs to Modern Aves) 1.2) Unique Characteristics of Birds 2) Anatomy and Physiology of Birds 2.1) Feathers: Structure, Types, and Functions 2.2) How Birds Fly: Wings, Aerodynamics, and Flight Mechanics 2.3) Bird Vision and Senses: How Sharp Is Their Sight? … Continue reading Introduction to Aves (Birds)