Weighing less than a golf ball and merely six inches in length, the Inaccessible Island rail is the world's smallest flightless bird.

Discover the world's most amazing flightless birds—like ostriches, penguins, and emus. Learn why they can't fly and how they've adapted to thrive on land and in water.

7 fascinating flightless birds When we think of birds, flying is usually the first thing that comes to mind– wings spread wide, gliding through the sky.

But make no mistake, the stars of the soon-to-be-called Kampe Bullis Farm Brewery are the flightless, yet fast ostriches. And while watering the birds, there was a commotion out front.

New Zealand hosts unique flightless, nocturnal birds, evolved in isolation and adapted to predator-free conditions, symbolizing the country's rich biodiversity.

Study in Evolution journal compares flightless bird evolution, revealing how feathers and bodies change when birds lose flight ability.

Most of the flightless birds are native to Australia, New Zealand and Africa. From Cassowary to Penguin, let’s explore eight birds that walk, not fly.

In Colombia, a fossil-collecting rancher has found a giant, flightless killer from 13 million years ago — and a missing link to the region’s evolutionary history.

Palaeontologists working near Alice Springs uncover for the first time a set of articulated bones and partial skeleton of Ilbandornis woodburnei, a massive bird that once roamed an evolving ...

Efforts to conserve New Zealand's remaining flightless birds can heed lessons from the ghosts of species past. The sad demise of the moa highlights the immense importance of isolated areas.

Researchers have found New Zealand’s endangered flightless birds are seeking refuge in the locations where six species of moa last lived before going extinct.