Birds Dalkey Island Bird Watching Dalkey Island Dalkey Island lies a short distance from the coast at Dalkey. Roseate Terns breed on the island in summer. There is a ferry service operating from the harbour. Arctic TernChaffinchBlue TitGreat Black Backed GullArctic TernWrenSealDalkIsland (3)Meadow PippitRabbitOystercatcherDalkIsland (9)ShelduckHerring GullGoat on the Island!Goldfinch in Dillon's ParkGoldcrestCormorant