The Basics of Migration

Twice each year, in the spring and the fall, many species of birds migrate, changing their location as a mechanism necessary for survival. The primary driving force for migration is a change in temperature that alters the availability of foods. Here’s a short quiz to test your knowledge on the basics of migration. This won’t be your only chance to learn about migration as Illinois Audubon Society member Greg DuBois is preparing our next quiz, which will feature some of the migrants that will soon be arriving in Illinois.