More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a study in the journal Evolution, researchers ...

Despite being flightless, the ostriches of Africa have distant relations in Australia, New Zealand, and South America. All part of a group called the ratites, these birds share some common ...

Ancient flightless birds called Moa were crucial in spreading colorful native fungi across the South Pacific island, stated Biology Letters. The research, led by paleoecologist Alexander Boast ...

New research reveals that the extinction of New Zealand’s giant, flightless moa was inevitable after human arrival. Using ...

Flightless Bird sees journalist David Farrier learning about what makes America special, from his unique perspective as a ...

A 40-year-old king penguin who starred in Batman Returns is seeking the title of 'world's favourite flightless bird.' ...

Virginia Department of Conservation and Recreation A petite, flightless grasshopper once thought to be extinct has been spotted in Virginia for the first time in nearly 80 years. The last time ...

Flightless birds, such as penguins and ostriches, evolve from ancestors capable of flight. When birds lose the ability to fly, their bodies adapt more rapidly than their feathers.