They occasionally cross the river but stick mainly to the parts of Ireland to its east. What’s going on? And where does that leave red squirrels?
Emily Goldstein
YOU MAY ALSO LIKE...
Crosswords & puzzles to keep you challenged and entertained
Follow all the action from this year's championship
Start The Search For Your Next Job
Latest news and analysis on the battle to save the planet
A project examining attitudes about the future of Ireland
Weddings, Births, Deaths and other family notices