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| Bird Migration (1) |
| Bird ringing (1) |
| Climate (1) |
| Csörgő Tibor (supervisor) (1) |
| Greenhouse effect (1) |
| Gyűrűzés (1) |
| Harnos Andrea (supervisor) (1) |
| Klíma (1) |
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| Madárvonulás (1) |