Temporal range: Middle Miocene
|Skull of Bullockornis planei|
P. Rich, 1979
P. Rich, 1979
Bullockornis stood approximately 2.5 metres (8 ft 2 in) tall. It may have weighed up to 250 kg (550 lb). Features of Bullockornis's skull, including a very large beak suited to shearing, have made some researchers consider that the bird may have been carnivorous, but most currently agree that it was a herbivore. The bird's skull is larger than that of many small horses.
Some paleontologists, including Peter Murray of the Central Australian Museum, believe that Bullockornis was related to geese and ducks. This, in addition to the bird's tremendous size and outdated carnivorous habits, gave rise to its colourful nickname. It may be somewhat inaccurate, however, as other studies have recovered dromornithids as more closely related to Galliformes.
- Rich, P. (1979)
- Peter F. Murray,Patricia Vickers-Rich, Magnificent Mihirungs: The Colossal Flightless Birds of the Australian Dreamtime
- Ellis, R. (2004)
- Ellis, R. (2004) No Turning Back: The Life and Death of Animal Species. New York: Harper Perennial. p. 102. ISBN 0-06-055804-0.
- Rich, P. (1979) "The Dromornithidae, an extinct family of large ground birds endemic to Australia". Bureau of National Resources, Geology and Geophysics Bulletin 184: 1–196.
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