Bullockornis Planei


Bullockornis planei, nicknamed the Demon-Duck of Doom or Thunderbird, is anextinct flightless birdthat lived in the Middle Miocene, approximately 15 million years ago, in what is nowAustralia.

Bullockornis stood approximately 2.5 metres (8 ft 2 in) tall. It may have weighed up to 250 kg (550 lb). Features ofBullockornis’s skull, including a very largebeak suited to shearing, have made some researchers consider that the bird may have beencarnivorous, but most currently agree that it was a herbivore. The bird’s skull is larger than that of many small horses.

More Information

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Scientific classification

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Aves
  • Family: †Dromornithidae
  • Genus: Bullockornis
  • Species: B. planei

Binomial name

  • Bullockornis planei