| Sighting Ref : | IB47591 |
| Sighting Date : | 21 Aug 12 |
| Common Name : | Black Tern |
| Scientific Name : | Chlidonias niger |
| Location : | Bann Estuary |
| County : | Derry |
| Number Seen : | 2 |
| Principal Observer(s) : | Ronald Surgenor Not Specified |
| Reported By : | Not Specified |
| Comments : | Off the barmouth. |
| Sea Watch Record : | Yes |
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