|
| |
| BTO Home > Bird Atlas Home > Species index > Black Tern | |
Black Tern - Chlidonias niger |
This page shows maps of 10km squares where this species was recorded during the first and second breeding atlases, the winter atlas and the change in distribution between the two breeding atlases. See the main pages for detailed descriptions of the Atlas survey and mapping methods. |
 |
 |
 |
 |
| Black Tern coverage (number of squares recorded) |
| Channel Isles not included - see notes for details |
| Years | Br present | Ir present | Br breeding | Ir breeding | Br total | Ir total | Both |
|---|---|---|---|---|---|---|---|
| 1968-72 | 0 | 0 | 2 | 0 | 2 | 0 | 2 |
| 1988-91 | 7 | 1 | 0 | 0 | 7 | 1 | 8 |
| Change % | . | . | . | . | 250 | . | 300 |
 | |
 | Bird Atlas home | BTO Home |