How did the ostrich cross the ocean? It may sound like a joke, but scientists have long been puzzled by how the family of birds that includes African ostriches, Australian emus and cassowaries, New ...

Ostriches may be ground-bound, but their ancestors could take flight, a new study says The fearsome Australian cassowary, which cannot fly but is sometimes called "the world's most dangerous bird" ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The ostrich is the tallest bird that inhabits the planet ...

It may sound like a joke, but scientists have long been puzzled by how the family of birds that includes African ostriches, Australian emus and cassowaries, New Zealand kiwis and South American rheas ...