AP BIOLOGY

Detailed explanation-1: -During September, October, and early November, migratory adults fly to overwintering sites in central Mexico, where they remain from November to March. In March, they begin to journey north, laying the eggs that will become the new Generation 1 along the way.

Detailed explanation-2: -Monarch Migration. Each fall, North American monarchs travel from their summer breeding grounds to overwintering locations. East of the Rocky Mountains, monarchs travel up to an astonishing 3, 000 miles to central Mexico, whereas the shorter migration west of the Rockies is to the California coast.

Detailed explanation-3: -Every fall, monarch butterflies fly thousands of miles from as far north as Canada to overwinter in Mexico.

Detailed explanation-4: -Summer is peak butterfly season with warm, sunny weather that sends colorful sulphurs, monarchs and swallowtails flitting through our gardens. But you might be surprised to know that there’s some significant butterfly activity in every season.