Difference between Emu and
Rhea
| Emu | Rhea | |
| Geographical distribution | Endemic to Australian mainland | Endemic to South America |
| Taxonomic diversity | One species with three subspecies | Two species with eight subspecies |
| Average body weight | 55 kg | 40 kg |
| Average height | 2 m | 1.75 m |
| Maximum speed | 50 km/h | 60 km/h |
| Neck | Shorter than rheas | Longer than rheas |
| Colours | Brown with white patches | Grey to brown plumage |
| Lifespan | 10 – 20 years in wild | More than 20 years usually in wild |
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