Home Resources Species in Focus: Freshwater Pearl Mussels - Irish Wildlife Trust Species in Focus: Freshwater Pearl Mussels - Irish Wildlife Trust Many animals in Ireland are under threat from various sources, and the freshwater pearl mussel (Margaritifera margaritifera) is catching it from all sides. Country Ireland Language English Region Europe Resource type Notes Strategic Pillars Indigenous Monitoring, Evaluation, Adapting & Social Learning Topic Lands, forests and territories Organization Irish Wildlife Trust View source More on this Notes Links - Irish Wildlife Trust Lands, forests and territories Ireland Europe Notes Get Involved - Irish Wildlife Trust Lands, forests and territories Ireland Europe Notes On hen harriers and water quality - Irish Wildlife Trust Lands, forests and territories Ireland Europe Notes Dublin Branch - Irish Wildlife Trust Lands, forests and territories Ireland Europe