The red-billed demon duck (Bullockornis australianus), also known as the demon-duck of doom or thunderduck, is a species of flightless bird that originally lived in the Middle Miocene, approximately 15 million years ago, in what is now Australia, and was once extinct, but has since been brought back from extinction by SciiFii before being introduced to modern Australian rainforests, swamps, and forests to boost biodiversity. The red-billed demon duck stands around 2.5 metres (8 ft 2 in) tall and weigh up to 250 kg (550 lb). Despite its fearsome appearance, it is actually a peaceful herbivore that mainly feeds on large nuts, fruits, and shrubs, and using its beak and claws only for defense if it is threatened or just feels threatened. The conservation status of the red-billed demon duck is Least Concern due to successful conservation efforts and its wide range.
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