Flightless birds have had a rough go of it over the past few centuries, with many going extinct — the most iconic being the dodo bird. But not all have perished. Here are four flightless birds that ...

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 ...

Living like mammals in a land without them, Aotearoa New Zealand's flightless birds are an evolutionary enigma.

Ostriches, emus, rheas and other large, flightless birds are found on six landmasses separated by oceans, but how they reached such far-apart places without the ability to fly has remained an enduring ...

Other vaguely similar birds include crowned pigeons and tooth-billed pigeons, but for a physically similar large, ground-dwelling bird (though unrelated), some might think of large, flightless birds ...

This is read by an automated voice. Please report any issues or inconsistencies here. WELLINGTON, New Zealand — The world’s only flightless parrot species was once thought to be doomed by design. The ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. There’s an important concept in evolutionary biology called ...

WELLINGTON, New Zealand — The world’s only flightless parrot species was once thought to be doomed by design. The kakapo is too heavy, too slow and, frankly, too delicious to survive around predators, ...