Flightless Birds of New Zealand and Australia. Scientists also believe that flightless birds on islands like Australia and New Zealand evolved because they had little reasons to escape flying because there were few predators. These birds developed short wings, great running or swimming skills, and special defenses like large toe claws.
List of flightless birds, including a discussion of why birds become flightless and how they adapt, as well as the dangers of being flightless. Species list includes endangered and threatened designations.