Dromornis stirtoni is an extinct dromornithid known only from the Miocene aged Alcoota fossil beds of central Australia. It is one of the more commonly found members of the Alcoota Local Fauna. Recent body mass estimates revealed sexual dimorphism within this species, with males weighing around 530 kg, and females weighing around 450 kgs.
Check below for more Dromornis stirtoni specimens, including articulated legs.
Specimen numbers: NTM P5420
Element: Endocast
Geological age: Miocene
State/territory: Northern Territory
Locality/site: Alcoota Station, approximately 110 km northeast of Alice Springs
Specimen number: NTM P3250
Element: Endocast
Geological age: Miocene
State/territory: Northern Territory
Locality/site: Alcoota Station, approximately 110 km northeast of Alice Springs
These data first appeared in: Handley WD, and Worthy TH. 2021. Endocranial Anatomy of the Giant Extinct Australian Mihirung Birds (Aves, Dromornithidae). Diversity 13:124.
Left: tibiotarsus | fibula | tarsometatarsus | lateral phalanx 1 | lateral phalanx 2 | lateral phalanx 3 | lateral phalanx 4 | middle phalanx 1 | middle phalanx 2 | middle phalanx 4 | medial phalanx 1
Right: tarsometatarsus | middle phalanx 1 | middle phalanx 2 | middle phalanx 3 | middle phalanx 4 | medial phalanx 1 | medial phalanx 2 | medial phalanx 3