Going up into the Monarch Butterfly Biosphere Reserve, between the Mexican states of Michoacán and Estado de México at an altitude of almost 10,000 feet, can be dizzying.

Tourists watch for monarchs in the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico. Millions of the orange-and-black insects find refuge here after undertaking an epic migration from ...

At first, the air on the winding, one-lane mountain road is completely clear. But as we round a curve, the sky is suddenly teeming with butterflies, a storm of bright orange-and-black wings. It ...

Mexico City – A research report released Wednesday says that illegal logging has practically been eliminated in the western Mexico wintering grounds of the monarch butterfly. Mexican officials ...

MEXICO CITY (AP) -- Illegal logging has practically been eliminated in the western Mexico wintering grounds of the monarch butterfly, according to a research report released Wednesday, and Mexican ...

Authorities who have struggled to stop illegal logging in Mexico's famed monarch butterfly reserve now are cutting down thousands of trees themselves to fight an unprecedented infestation of ...

MEXICO CITY (AP) – Studies found that illegal loggers clear-cut at least 24 acres (10 hectares) in the monarch butterflies' wintering grounds in central Mexico this year, a Mexican ...

The slain conservationists worked for the Monarch Butterfly Biosphere Reserve. ABC News. Video. Live. Shows. Shop. Log In. Stream on. 2 murders linked to Mexico's famed monarch butterfly sanctuary.

The government commission for natural protected areas said the butterflies’ population covered only 2.1 hectares (5.2 acres) in 2020, compared to 2.8 hectares (6.9 acres) the previous year an… ...

A shadow hangs over El Rosario where each year millions of monarch butterflies alight on the reserve's fir trees. Two local protectors of Mexico's monarch preserve have been killed, and so far, no ...

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.

MEXICO CITY -- Illegal logging has practically been eliminated in the western Mexico wintering grounds of the monarch butterfly, according to a research report released Wednesday, and Mexican ...