This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch ...

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

The film explores the life cycle of the Monarch butterfly, detailing its remarkable migration journey of up to 6,000 kilometers from Canada to Mexico. It explains the butterfly's anatomy, including ...

Millions of black and orange wings will flutter across the U.S. this spring, as the monarch butterflies make their annual ...

Monarchs often rely on thermal currents to glide over long distances with minimal energy expenditure, making the timing of their migration crucial for success. Monarch Butterfly Biosphere Reserve, ...

The number of monarch butterflies wintering in the mountains west of Mexico City, rebounded this year, doubling the area they ...

Mexican officials and environmental groups say better weather conditions on the butterflies’ migration route caused the ...

FILE - A Monarch butterfly rests near a stream at Piedra Herrada sanctuary in the mountains near Valle de Bravo, Mexico, Jan. 4, 2023. (AP Photo/Marco Ugarte, File) MEXICO CITY (AP) — The number of ...

The number of monarch ... Mexico City rebounded this year, doubling the area they covered in 2024 despite the stresses of climate change and habitat loss, experts said Thursday. The annual ...