But given the eggs' size and age, over time, two contenders emerged: Progura, a group of large turkey-like birds, or Genyornis, sometimes referred to as "demon ducks of doom" because of their huge ...

Paleontologists say they have found the fossilized remains of a fanged killer kangaroo and what they describe as a "demon duck of doom." A University of New South Wales team said the fearsome ...

"Very big birds... More like ducks, earned the name demon ducks of doom, some at least may have been carnivorous," she said. The team now plans to study the fossils in detail, to see what more they ...

To the right an emu-egg and to the left the egg, that the researchers believe originates from the Demon Duck of Doom, Genyornis newtoni. The latter egg weighs about 1.5 kilograms which is more ...