American bison, by contrast, have a long, shaggy coat covering their front quarters, front legs and heads, light or dark ...

I was talking to a colleague of mine who is a professor of biology. He casually commented to me "You know if an astrobiologist from Mars or some other place in the universe came to earth and decided ...

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 ...