Introduces a boy who visits a farm and begins to notice similarities and differences between animals. Shows that animals can be grouped according to categories such as insects or fish and as to whether or not they have backbones.
1919
2020
2025
1988
1964
1956
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2021
2009
1987
1923
1928
2011
2014
1990
2018
1961
1992
1976