Black Tern
| Gender | undetermined |
| Status | undetermined |
| Recorded | 2015-05-26 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Family | Terns |
| References | en.wikipedia.org |
13 | 19
| Gender | undetermined |
| Status | undetermined |
| Recorded | 2015-05-26 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Family | Terns |
| References | en.wikipedia.org |