Pesticides, habitat loss and climate change have taken their toll on the beloved insects. But the experts working with them ...

The flapping wings of millions of monarch butterflies at the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico, create a fluttering sound that Alfonso Alonso describes as “magical.” The ...

There’s only one host plant for a monarch butterfly—milkweed! Choose native varieties for your area such as common milkweed, butterfly weed, swamp milkweed and showy milkweed. Create a monarch haven ...

A monarch butterfly with a tag on its wing perches on a flower head at Monarch Watch's butterfly tagging event at the Baker Wetlands on Saturday, Sept. 21, 2024. Monarch Watch is contributing to a ...

Monarch butterfly numbers are flying higher, but they still have many miles to go. According to a pair of 2025-2026 reports from the World Wildlife Fund and partners, the population of eastern monarch ...