Birds do have ears, but they don’t have external ears. So, unlike humans and our big ear flaps (that came from gills, dontcha know ?) they have, well, just a hole really. They’re not out in the open ...
Most birds, and by that we mean 97 percent of all species, don’t have external genitalia and instead have what’s known as a cloaca (as did dinosaurs ). Seen in birds, reptiles, amphibians, some fish, ...