Black-necked Grebe
| Gender | undetermined |
| Age | adult |
| Plumage | breeding plumage |
| Recorded | 2015-05-25 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | adult |
| Plumage | non-breeding plumage |
| Recorded | 2006-01-14 |
| Location | Dobrudscha, RO |
| Copyright | Daniel Petrescu |
| Gender | undetermined |
| Age | juvenile |
| Plumage | 1st year plumage |
| Recorded | 2004-08-25 |
| Location | Rothrist, CH |
| Copyright | Beat Rüegger |
| Family | Grebes |
| References | en.wikipedia.org |
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