[:en]The introduction of the eastern grey squirrel in Europe is causing a dramatic decline in the range of the native red squirrel due to competition.
Introduction of the American grey squirrel in Europe: a case study in biological invasion[:]
[:en]The introduction of the eastern grey squirrel in Europe is causing a dramatic decline in the range of the native red squirrel due to competition.
Introduction of the American grey squirrel in Europe: a case study in biological invasion[:]