Rockabill
Native name:
Cloch Dábhiolla
Nickname: The Cow and The Calf
Rockabill is located in Ireland
Rockabill
Rockabill
Geography
LocationIrish Sea
Coordinates53.°35.49′N 6.°0.16′W / 53.59150°N 6.00267°W / 53.59150; -6.00267
ArchipelagoRockabill
Total islands2 (The Rock and The Bill)
Major islandsThe Rock
Administration
ProvinceLeinster
CountyDublin
BaronySkerries
Demographics
Population2, May through August[1] (2014)

Rockabill (Irish: Cloch Dábhiolla)[2] is a pair of islands in the western Irish Sea about 6 kilometres east-north-east of Skerries, County Dublin, Ireland.

The two granite islands are separated by a channel about 20 metres wide. On the Rock there is a lighthouse, built 1855–1860 from granite and limestone and automated in 1989, and several walls and outbuildings. These walled areas have enabled a build-up of soil and the establishment of vegetation, notably tree mallow (Lavatera arborea), which provides nesting cover for the birds. The Bill is smaller and has very little vegetation.

Rockabill is an important seabird breeding island, especially notable for its terns. It is an internationally important site for roseate terns, with the largest colony in Europe, 1,597 pairs, and 2,085 pairs of Common Terns (2017 data). Other seabirds include black guillemots and black-legged kittiwakes.

Rockabill Lighthouse is owned by the Commissioners of Irish Lights and is a Refuge for Fauna and a Special Protection Area under the European Union Birds Directive. Since 1989, when the protection afforded by the lighthouse keepers ceased, the islands have been managed by BirdWatch Ireland.[3] The sea area between Rockabill and Dalkey Island has recently been proposed as a Special Area of Conservation.[4]

References

  1. O'Reilly, Brian (15 April 2014). "No man is an island – except if you get new €400 a week bird watching job". Irish Independent.
  2. "Cloch Dábhiolla/Rockabill". Placenames Database of Ireland.
  3. "Rockabill Tern Project". Birdwatch Ireland. Retrieved 23 June 2020.
  4. "Designation of New Marine Special Areas of Conservation" (Press release). MerrionStreet.ie: Irish Government News Service. 3 December 2012.
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