A record-instructional film showing a few of the many ways in which the behaviour of hungry rats can be modified according to the nature of the prevailing social situation.
United States of America
Documentary
11 minutes
1938

2014
4.8

2024
0.0

2019
0.0

2011
0.0

2006
4.5

2017
0.0

2017
0.0

2017
5.0
1997
0.0

2017
7.2
1919
0.0

2023
0.0

2024
0.0

2019
6.2

1989
0.0

1963
4.2

1971
0.0
2002
0.0
2001
0.0

2021
6.8