Western Marsh Harrier
| Gender | male |
| Age | adult |
| Plumage | adult plumage |
| Recorded | 2011-03-20 |
| Location | Rothrist AG, CH |
| Copyright | Beat Rüegger |
| Gender | male |
| Age | adult |
| Plumage | adult plumage |
| Recorded | 2018-06-02 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Gender | male |
| Age | adult |
| Plumage | adult plumage |
| Recorded | 2021-05-20 |
| Location | El Taray, ES |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | 2nd calendar year |
| Plumage | undetermined |
| Recorded | 2021-04-15 |
| Location | El Taray, ES |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | 2nd calendar year |
| Plumage | 1st summer |
| Recorded | 2019-04-18 |
| Location | Calera, ES |
| Copyright | Beat Rüegger |
| Family | Hawks and Eagles |
| Status CH | regular migrant, irregular breeding bird |
| References | en.wikipedia.org |
| vogelwarte.ch |
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