When you think birds you think flying creatures roaming free across the sky, but as we are about to find out, this isn’t always the case. In fact, there are many birds who for one reason or another, simply cannot fly. Be it because of an evolutionary mishap or because of sudden changes in their behavior, these birds have evolved past the need for flight. Some of you will undoubtedly know all about a few of the more popular ones, whereas some will really surprise you.
Overall, the general consensus among scientists is that most of these birds evolved the way they did because they weren’t really threatened by any predators and because they had plenty of food so as not need to cover large areas on a daily basis. Having said that, let us find out what are the 20 most widespread flightless birds in the world.