Australian Bustard vs Great Bustard
Ardeotis australis compared with Otis tarda
Side-by-Side Comparison
| Attribute | Australian Bustard | Great Bustard |
|---|---|---|
| Scientific Name | Ardeotis australis | Otis tarda |
| Order | Otidiformes | Otidiformes |
| Family | Otididae | Otididae |
| Conservation Status | Least Concern | Endangered |
| Length | — | — |
| Wingspan | 118.5 cm (46.7 in) | 110.2 cm (43.4 in) |
| Weight | 4570.0 g (161.20 oz) | 8100.0 g (285.72 oz) |
| Diet | Omnivore of Australian open country; eats insects, small reptiles, seeds, and green vegetation. Beetles, locusts, … | Omnivore of open steppes; eats insects, small vertebrates, green shoots, and seeds. Beetles, grasshoppers, and … |
| Clutch Size | 1-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Australian Bustard
Loud, low booming call with hollow quality; deep resonant sound carrying across open African semi-desert terrain.
Great Bustard
Deep, resonant booming call; powerful bass notes audible at great distance across open semi-arid plains.
Geographic Range & Migration
Australian Bustard
Found across open grasslands and woodland of Australia, including arid interior regions. Resident and nomadic.
Great Bustard
Found in open grasslands and steppes across Eurasia from Iberia to China. Partial migrant. Classified as Vulnerable.
Conservation Status
Australian Bustard
Great Bustard
About These Birds
Australian Bustard
A large bustard (up to 120 cm, 3-8 kg) found across open grasslands and woodland of Australia. Sandy-brown plumage with black crown and neck markings. Australia's heaviest flying bird. Omnivore of grasslands. Males perform an impressive balloon-like throat display during courtship.
Great Bustard
The heaviest flying bird in Europe (7-18 kg, up to 105 cm) with a massive grey-brown body and white underparts. Males have prominent whisker-like feathers. Found in open grasslands and steppes across Eurasia. Omnivore. Long-distance migrant. Classified as Vulnerable due to habitat loss.