2015 Migrants
| Sand Martin | 19th March, Knockferry, Lough Corrib (Dermot Breen). |
| House Martin | 17th April, Oranmore Bridge (Neill Butterfield). |
| Swallow | 27th March, Milltown, Nr. Tuam (Chris Benson). |
| Swift | 3rd May, Angliham/Portumna Forest Park (Aonghus O'Donaill/Tom Tarpey). |
| Common Sandpiper | 19th April, Lough Inch, Bearna (Cathal Forkan). |
| Manx Shearwater | 5th May, Baile na hAbhann (Michael Nolan). |
| Whimbrel | 16th April, Tarrea Pier (Paul Troake). |
| Marsh Harrier | . |
| Osprey | |
| Hobby | |
| Common Tern | 20th April, Galway Bay (Niall Keogh). |
| Arctic Tern | 21st April, 60 nautical miles WSW Slyne Head (Niall Keogh & Ashley Bennison). |
| Little Tern | . |
| Black Tern | |
| Roseate Tern | . |
| Arctic Skua | . |
| Pomarine Skua | |
| Great Skua | 24th April, Inishbofin (Anthony McGeehan). |
| Long-tailed Skua | |
| Willow Warbler | 6th April, Angliham, Lough Corrib (Aonghus O'Donaill). |
| Wood Warbler | |
| Sedge Warbler | 22nd April, Killymongaun, Nr. Clifden (Chris Peppiatt). |
| Whitethroat | 19th April, Milltown, Nr. Tuam (Chris Benson). |
| Lesser Whitethroat | 24th April, Inishbofin (Anthony McGeehan). |
| Grasshopper Warbler | 22nd April, Killymongaun, Nr. Clifden & Rooaunmore, Nr. Ardrahan (Chris Peppiatt & Paul Troake). |
| Garden Warbler | |
| White Wagtail | 26th April, Kilcolgan Point, Tawin (Paul Troake). |
| Corncrake | 3rd May, Inishbofin (Frank Wedgeworth). |
| Spotted Crake | |
| Quail | . |
| Cuckoo | 2nd April, Bearna (Denis Cody). |
| Turtle Dove | 24th April, Inishbofin (Anthony McGeehan). |
| Nightjar | |
| Wheatear | 16th March, Little Killary (Dermot Breen). |
| Whinchat | |
| Ring Ouzel | |
| Spotted Flycatcher | 23rd May, Recess (Eamonn Delaney). |
| Pied Flycatcher | |
| Garganey | . |