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| Attribute | N Levels | Levels | ||
|---|---|---|---|---|
| Appearance | 3 | Colourful | Boldly-marked | Grey-brown |
| Size | 3 | Large | Medium | Small |
| Song | 3 | Melodious | Quiet | Harsh |
| Behaviour | 3 | Confiding | Spectacular | Secretive |
| Status | 3 | In danger of extinction | Rare but not threatened | Common |
