A 10-question online quiz tests scholars' knowledge about horses: all answers come with an informative explanation. 

This page from the International Guide Dog Federation explores the evolution of dogs as human companions, as well as the history of dogs as service animals. This resource also includes a timeline describing how dogs came to be used as...

Nice informational site about the order Carnivora. The opening page lists members of the order and briefly describes relationships between humans and carnivores. It links to pages on evolution of carnivores, the ecological roles of...