National Zoo will celebrate World Cassowary Day on Saturday by putting on show brothers Irwin and Dundee. Cassowaries are ...

The southern cassowary, a flightless bird native to rainforests, is a living link to prehistoric times, possessing powerful ...

The mystery of the cassowary's casque has been solved, but scientists have more questions that have yet to be answered.

A zoo has celebrated a "rare breeding success" following the hatching of a cassowary chick. Paignton Zoo in Devon said the ...

How did the ostrich cross the ocean? It may sound like a joke, but scientists have long been puzzled by how the family of ...

The mystery of how related flightless birds ended up so far apart on different continents may have been solved.

A rare chick known as the "world's most challenging bird species" to breed has been hatched at a UK zoo for the first time in ...

When asked which place in the world had surprised him most, David Attenborough’s quickfire response was: “The north of ...

It may sound like a joke, but scientists have long been puzzled by how the family of birds that includes African ostriches, ...

Ostriches, emus, rheas, and other giant flightless birds now inhabit six continents separated by oceans. Their global distribution has puzzled scientists for decades, as these massive ...

A dinosaur dubbed one of the "strangest" ever found boasted an elaborate armory of long bony spikes and a tail weapon, according to findings published in the science journal Nature. Spicomellus, which ...