| Authors(s) | Marquiss M. and Leitch A.F. |
| Year | 1990 |
| Title | The diet of gray herons Ardea cinerea breeding at Loch Leven, Scotland (UK), and the importance of their predation on ducklings. Ibis 132: 535-549 |
| Authors(s) | Marquiss M. and Leitch A.F. |
| Year | 1990 |
| Title | The diet of gray herons Ardea cinerea breeding at Loch Leven, Scotland (UK), and the importance of their predation on ducklings. Ibis 132: 535-549 |