Black-crowned Night Heron
| Recorded | 2012-05-20 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Recorded | 2011-05-17 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Recorded | 2018-05-29 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Family | Herons |
| References | en.wikipedia.org |
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