| Nominative | vtáky |
| Genitive | vtákov |
| Dative | vtákom |
| Accusative | vtáky |
| Locative | vtákoch |
| Instrumental | vtákmi |
| Nominative | vták |
| Genitive | vtáka |
| Dative | vtákovi |
| Accusative | vtáka |
| Locative | vtákovi |
| Instrumental | vtákom |
| Nominative | vtáci |
| Genitive | vtákov |
| Dative | vtákom |
| Accusative | vtákov |
| Locative | vtákoch |
| Instrumental | vtákmi |