Ethologie der Graugans

5.7

/

2014

7.3

/

1981

7.1

/

1896

5

/

2002

7.516

/

1927

6.8

/

1932

7.3

/

2015

0

/

2023

0

/

1983

0

/

1935

0

/

1976

0

/

1982

0

/

2016

6.8

/

2005

0

/

1989

0

/

1970

6

/

NaN

0

/

2019

0

/

1930

0

/

1930