The annual monarch migration is led by several generations, although not all of them make it to their final destination.

A bigger winter colony could mean strong spring movement through the region.

Add Yahoo as a preferred source to see more of our stories on Google. Each year, there are four generations of monarch butterflies that take part in the migration north in the spring and summer, then ...

Monarch season starts in earnest in the United States during the month of March, even though the whole migration doesn’t necessarily appear all at once. However, butterflies arriving from Mexico find ...

Migrating monarch butterfly populations have been on the decline for years. This year has been different, with a significant ...

Across North America, monarch butterfly populations will begin their journey southward to warmer winter climates in Mexico, travelling across much of the United States, including Oklahoma, along their ...

Something about the monarch butterfly population rebound surprised scientists, and it was not just the size of the increase. It was how fast it happened. After years of decline, the population jumped ...

Every fall, an incredible migration occurs through the state of Indiana, where millions of tiny monarch butterflies fly on their way to overwintering grounds in Mexico, only to return in the spring to ...

Monarch butterflies inspire awe through migrations that span thousands of miles across North America—a cycle repeated generation after generation. Their long-term survival, however, depends on a ...

Local residents can learn to create Monarch butterfly habitats in an upcoming three-part education series. Monarch Basics: ...

Monarch butterflies are returning to Michigan for the summer after migrating from Mexico. Michiganders can support monarch butterflies by planting milkweed, tracking sightings, and donating to ...

NEW YORK — A Long Island nature center used a dead butterfly's wing to help another butterfly continue its life and migration. The Monarch butterfly in question was brought in by a Good Samaritan with ...