| Trích dẫn | Ingram, G.C.S. and M.H.M. Salmon, 1941 The diving habits of ducks and grebes. Brit. Birds 35:22-26. |
| Tài liệu tham khảo | 115862 Ingram, G.C.S. and M.H.M. Salmon, 1941 |
| Trang | 23 |
| Named Used as Valid | Bucephala clangula |
| Địa phương | |
| Distribution | Cardiff, U.K. |