Common ostrich vs European robin
They share the class Aves but sit in different orders: Common ostrich in Struthioniformes, European robin in Passeriformes.

Photo: Lip Kee from Singapore, Republic of Singapore · CC BY-SA 2.0 · Wikimedia Commons

Photo: Francis C. Franklin · CC BY-SA 3.0 · Wikimedia Commons
What is the difference between a common ostrich and a European robin?
Each point below is worked out from a pair of recorded values.
- They share the class Aves but sit in different orders: Common ostrich in Struthioniformes, European robin in Passeriformes.
- Both are listed as Least Concern on the IUCN Red List.
- They have been recorded in 36 of the same countries (the common ostrich in 70 in total, the European robin in 95). Shared records include zoos, so this does not mean they meet in the wild.
Side by side
| Common ostrich | European robin | |
|---|---|---|
| Scientific name | Struthio camelus | Erithacus rubecula |
| Family | Struthionidae | Muscicapidae |
| Order | Struthioniformes | Passeriformes |
| Weight | 100 kg – 115 kg | Not recorded |
| Length | Not recorded | Not recorded |
| Lifespan | Not recorded | Not recorded |
| Main food | Not recorded | Not recorded |
| Habitat | Not recorded | Not recorded |
| Conservation status | Least Concern | Least Concern |
| Countries recorded | 70 | 95 |
Full record: Common ostrichFull record: European robinCompare other animals