👉 An ornithoid is a type of bird that has feathers, but they do not have wings. In other words, it is an extinct group of birds that lived during the Cretaceous period (around 68 to 59 million years ago). The most well-known example of an ornithoid is the ostrich, which can weigh up to 20 kilograms and has a long neck that allows for flight. Other examples include the penguin, the albatross, and