For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

By any measure, the revival of the bald eagle stands as one of the great environmental triumphs in conservation history. In ...

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.

The peak of the spring monarch butterfly migration in Texas typically occurs from late March to early April. See where on Journey North.

and southeast Canada to the mountain forests in central Mexico. With its notable orange and black markings, the monarch butterfly is one of the most recognizable insects in the world. In North ...

A kaleidoscope of orange-and-yellow monarch butterflies soon will return to Michigan as they finish their overwintering in Mexico and Central America and begin fluttering home to breed.

Commissioner Sid Miller, Department of Agriculture report double increase in Mexico monarch butterfly population after 2024 ...

WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries.

revealed “the population wintering in central Mexico’s forests occupied 4.42 acres, up from 2.22 acres the previous winters.” US wildlife officials plan to label monarch butterflies as ...

and the National Commission of Protected Natural Areas in Mexico (CONANP), the eastern monarch butterfly population has nearly doubled in 2025. The survey revealed that the population of ...

Why Your Space Truly Matters Monarch Butterflies (Danaus plexippus) are one of nature's greatest migrators, with their survival depending on an annual multi-generational migration cycle. Eastern ...