When we think about birds, we often imagine them spreading their wings and soaring high in the sky. However, nature is as beautiful as it is diverse. The origin of wings dates back to the time of dinosaurs, around 66 million years ago, but the reasons behind this evolutionary development remain a mystery. The earliest ancestors of birds, a group of dinosaurs called theropods, couldn’t fly. Instead, they had simple, fluffy feathers on their arms, which were too small and weak to support flight. While the debate about how birds acquired the remarkable ability to fly continues, there are also bird species that have lost this ability. To compensate, these birds have enhanced other senses or abilities. Let’s take a look at eight such bird species that have adapted over time and are unique in their own right.