The American grey squirrel (Sciurus carolinensis) has been introduced into the UK, Ireland and Italy, where it threatens the local extinction of red squirrel (Sciurus vulgaris) populations ing actions to address specific gaps highlighted in recent European stud-
La ardilla gris de las Carolinas (Sciurus carolinensis) ha sido introducida en el Reino Unido, Irlanda e Italia donde amenaza con extinguir las poblaciones locales de ardillas rojas (Sciurus vulgaris)