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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Ennis, T. | 1966 | The collared dove in Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1967 | Northern Ireland Ornithologists' Club sub-committee on wildfowl counts | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1969 | Ring-necked ducks, Aythya collaris, in County Armagh | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1969 | Baikal teal, Anas formosa in Co. Fermanagh | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1979 | Breeding golden plovers Pluvialis apricaria (L.) in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1979 | Bonapartes gull Larus philadelphia (Ord.) at Bangor, Co. Down | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1979 | The status of the pomarine skua Stercorarius pomarinus (Temm.) in Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1979 | The status of sabine's gull Larus sabini Sabine in Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1979 | Blue fulmar Fulmarus glacialis (L.) in Co. Londonderry | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1979 | Ferruginous ducks Aythya nyroca (Guld.) in Co. Armagh | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1980 | Review: 'Copeland Bird Observatory report for 1978' | Journal | Ir. Nat. J. | Details... |
| Ennis, T. | 1982 | Review: 'Birds around Belfast a guide for birdwatchers' by Belfast RSPB members' group | Journal | Ir. Nat. J. | Details... |
| Environment & Heritage Service | 1986 | Schedules of rare species in Wildlife (Northern Ireland) Order 1985 | Journal | Ir. Nat. J. | Details... |
| Environment & Heritage Service | 1986 | Survey of Areas of Special Scientific Interest in Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Environment & Heritage Service | 1989 | Habitat survey of glen by Countryside and Wildlife Branch of D.o.E. (N.I.) | Unpublished | | Details... |
| Environment & Heritage Service | 1990 | Survey/report on Nun's Wood (DoE Countryside & Wildlife Branch) | Report | | Details... |
| Environment & Heritage Service, Dept. of the Environment (NI) | 1993 | Strangford Lough Proposed Marine Nature Reserve: guide to designation | Published | | Details... |
| Erwin, D. | 1990 | Strangford Lough - model for conservation | Chapter | | Details... |
| Erwin, D. & Picton, B. | 1978 | Preliminary report on diving survey of Dundrum Outer Bay 1978. Murlough National Nature Reserve Scientific Report | Report | | Details... |
| Erwin, D. & Picton, B. | Unknown | Diving survey of Dundrum Outer Bay (unpublished report) | Report | | Details... |
3701 references found.