The native Irish red squirrel
Residents of counties Leitrim, Sligo, Cavan and Roscommon are are invited to participate in a Citizen Science survey, recording sightings of red squirrels, grey squirrels and pine martens during 2019.
Zoology researchers from the Ryan Institute in NUI Galway have teamed up with Ulster Wildlife and Vincent Wildlife Trust in seeking to determine the latest distribution of red and grey squirrels and the pine marten in Ireland. The results will allow the team to compare the current status of the animals with previous surveys conducted in 1997, 2007 and 2012.
Since their introduction in 1911, the grey squirrel has spread throughout a large area of the island of Ireland. The red squirrel, although still quite widespread, has disappeared from many forests as a result of competition and disease spread by the greys. In the most recent survey in 2012, however, there were indications that the grey squirrel had retreated in certain areas, and this has been attributed to the recovery of another native species, the pine marten.
The pine marten has made a considerable recovery in Ireland, since it became protected under the Irish Wildlife Act of 1976 and the Wildlife (NI) Order 1985. In the midlands of Ireland and Fermanagh, where pine marten densities are highest, grey squirrels have disappeared. It seems the grey squirrels are not able to cope with this predator, either because they are naïve to the dangers, or are becoming stressed when the pine marten is present.
The native red squirrel on the other hand has lived alongside the pine marten for centuries, and although occasionally eaten, they can co-exist quite happily. In fact, with the loss of their competitor the grey squirrel, red squirrel numbers have increased and they have returned to woods where they had previously disappeared.
Dr Colin Lawton from Zoology in the Ryan Institute at NUI Galway explains how the public can help: “We are hoping people all over the island of Ireland will take part in this conservation project. We have seen changes in the ranges of the red and grey squirrel and the pine marten in the previous surveys and it is vital that we keep recording their progress. This is a fascinating story where the recovery of one native species, the pine marten, has slowed the progress of an invasive species, the grey squirrel. The red squirrel, another native species, has shown signs of recovery as a result.”
Conor McKinney, from Ulster Wildlife, added: “The public are absolutely critical for data collection on this scale and indeed for conservation efforts for red squirrels, pine marten and other species right across the island of Ireland. This is a superb opportunity for people to contribute to exciting new research by uploading their squirrel and pine marten photos and letting us know where they saw the animal, how often they see it and what it was doing.”
This survey is being conducted with the support of the National Parks and Wildlife Service. Members of the public can record their sightings using the 2019 All-Ireland Squirrel and Pine Marten Survey pages hosted by the National Biodiversity Data Centre in the Republic of Ireland and CEDaR in Northern Ireland.
More information can be found on the survey Facebook and Twitter pages (both @squirrelsurvey) and the online survey can be found at www.biodiversityireland.ie.
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