Budgerigar vs Common Ostrich
Melopsittacus undulatus compared with Struthio camelus
Side-by-Side Comparison
| Attribute | Budgerigar | Common Ostrich |
|---|---|---|
| Scientific Name | Melopsittacus undulatus | Struthio camelus |
| Order | Psittaciformes | Struthioniformes |
| Family | Psittaculidae | Struthionidae |
| Conservation Status | Least Concern | Least Concern |
| Length | 18.0 cm (7.1 in) | 210.0 cm (82.7 in) |
| Wingspan | 30.0 cm (11.8 in) | 200.0 cm (78.7 in) |
| Weight | 30.0 g (1.06 oz) | 100000.0 g (3527.40 oz) |
| Diet | Primarily grass seeds and other small seeds. In the wild, feeds on the ground in … | Omnivorous — plants, seeds, roots, flowers, insects, and small vertebrates. Swallows pebbles to aid digestion … |
| Clutch Size | 4-6 | 2-11 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Budgerigar
Open grasslands, scrublands, and woodland in the Australian interior. Nomadic, following rainfall and seeding events.
Common Ostrich
Open arid and semi-arid habitats including savannas, Sahel, and dry woodlands across Africa.
Song & Call Comparison
Budgerigar
A rising, chattering 'budgerigar' chatter: rapid series of 'chek-chek-chek' and melodic warbling. Enormous wild flocks produce a continuous roaring chorus. Good vocal mimics in captivity.
Common Ostrich
Male produces a surprisingly deep, resonant booming roar — remarkably lion-like. Also gives whistling and hissing sounds. Females and chicks emit softer grunts and squeaks.
Geographic Range & Migration
Budgerigar
Interior of Australia, especially arid and semi-arid regions. One of the most popular pet birds worldwide.
Common Ostrich
Sub-Saharan Africa. Formerly also found in the Middle East and parts of Asia. Farmed worldwide.
Conservation Status
Budgerigar
Common Ostrich
How to Tell Them Apart
Budgerigar
Wild-type is green with yellow head and barred black scalloping on upperparts. Captive-bred varieties include blue, white, yellow, and many other colors.
Short, downward-curved, olive-grey bill typical of parakeets
Common Ostrich
Males have black body plumage with white wing and tail feathers. Females and immatures are grey-brown. Bare skin on the neck and thighs varies from pink to blue.
Broad, flat bill adapted for an omnivorous diet
About These Birds
Budgerigar
The budgerigar is the third most popular pet in the world after dogs and cats, and by far the most common pet parrot. Wild budgies travel in enormous nomadic flocks that can darken the sky. Males can learn to mimic human speech, with one record-holding budgie having a vocabulary of 1,728 words.
Common Ostrich
The common ostrich is the world's largest living bird, standing up to 2.7 meters tall and weighing up to 145 kg. Despite being flightless, it is the fastest bird on land, sprinting at speeds up to 70 km/h. Ostrich eggs are the largest of any living bird, weighing about 1.4 kg each.