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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Press release | 1970 | New bird sanctuary in Kerry | Journal | Ir. Nat. J. | Details... |
| Press release | 1971 | Irish wild bird conservancy | Journal | Ir. Nat. J. | Details... |
| Radford, A.P. | 1980 | Birds feeding on snowberries | Journal | Brit. Birds | Details... |
| Radford, D.J. | 1979 | Gull deaths on the north Ulster coast, February 1978 | Journal | Ir. Nat. J. | Details... |
| Radley, J. | 1878 | Woodpeckers and kingfishers, their points of resemblance and difference | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Rait Kerr, H.M. | 1918 | Green sandpiper in King's County | Journal | Ir. Nat. | Details... |
| Rait Kerr, H.M. | 1918 | Notes on birds in King's County | Journal | Ir. Nat. | Details... |
| Rait Kerr, H.M. | 1918 | Incubation period of birds | Journal | Ir. Nat. | Details... |
| Rait Kerr, H.M. | 1921 | Lesser whitethroat in Co. Dublin | Journal | Ir. Nat. | Details... |
| Rait Kerr, H.M. | 1931 | Aquatic warbler in Co. Kildare | Journal | Ir. Nat. J. | Details... |
| Rait Kerr, H.M. | 1942 | Bird notes from Bog of Allan | Journal | Ir. Nat. J. | Details... |
| Rait Kerr, H.M. | 1945 | Collective terms for some wild birds | Journal | Ir. Nat. J. | Details... |
| Rait Kerr, H.M. | 1949 | Garganey in Co. Dublin in May | Journal | Ir. Nat. J. | Details... |
| Ralfe, P. | 1896 | The magpie in the Isle of Man | Journal | Ir. Nat. | Details... |
| Ralfe, P.S. | 1904 | Birds of the Isle of Man | Journal | Ir. Nat. | Details... |
| Rankin, J.C. | 1929 | Increase of mute swans | Journal | Ir. Nat. J. | Details... |
| Rankin, M.E. | 1950 | Waxwings | Journal | Ir. Nat. J. | Details... |
| Rankin, M.N. | 1940 | Iceland redshank and glaucous gull in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Rankin, M.N. | 1944 | Iceland gull in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Rankin, M.N. | 1946 | Polyandry in the tree creeper | Journal | Ir. Nat. J. | Details... |
2846 references found.