Emu vs Rock Pigeon
Dromaius novaehollandiae comparado com Columba livia
Side-by-Side Comparison
| Atributo | Emu | Rock Pigeon |
|---|---|---|
| Nome científico | Dromaius novaehollandiae | Columba livia |
| Ordem | Casuariiformes | Columbiformes |
| Família | Dromaiidae | Columbidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 175,0 cm (68.9 in) | 33,0 cm (13.0 in) |
| Envergadura | 20,0 cm (7.9 in) | 68,0 cm (26.8 in) |
| Peso | 45000,0 g (1587.33 oz) | 300,0 g (10.58 oz) |
| Dieta | Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … |
| Tamanho da postura | 5-24 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Emu
Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.
Rock Pigeon
Originally cliff-nesting in Mediterranean regions. Now the quintessential urban bird, inhabiting cities worldwide on every continent.
Song & Call Comparison
Emu
Deep, resonant booming grunt 'e-moo', often repeated 3 times. Females give a deep drumming call produced by an inflatable throat pouch. Generally low-pitched and far-carrying.
Rock Pigeon
Soft, rhythmic cooing 'roo-c'too-coo' repeated multiple times, with emphasis on second syllable. Male courtship coo is deeper and more persistent. Wing-clapping on takeoff is loud.
Geographic Range & Migration
Emu
Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
Estado de conservação
Emu
Rock Pigeon
How to Tell Them Apart
Emu
Shaggy grey-brown plumage with double-shafted feathers giving a loose, hair-like appearance. Bare blue skin on the face and neck.
Broad, flat, dark grey bill
Rock Pigeon
Wild-type has a blue-grey body with iridescent green and purple neck feathers, two black wing bars, and a white rump. Feral populations show enormous color variation.
Slender dark bill with a white fleshy cere at the base
About These Birds
Emu
The emu is the second-tallest living bird and the largest bird native to Australia. It is the only bird with calf muscles, enabling powerful running at up to 50 km/h. In the famous Emu War of 1932, the Australian military was deployed against crop-raiding emus — and the emus arguably won.
Rock Pigeon
The rock pigeon is the ancestor of all domestic pigeon breeds and one of the most abundant birds in cities worldwide. Pigeons have served humans as messengers, food, and subjects for scientific research — their homing ability and vision have been studied extensively. Darwin's study of pigeon breeding contributed to his theory of evolution.