Monarch butterfly populations are declining, with western numbers at a record low, prompting conservation actions.

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What sounded like leaves rustling in the wind was the flickering wings of thousands of monarch butterflies as they flitted ...

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

The population of the eastern monarch butterflies in Mexico doubled this past winter season, according to a WWF survey.

National Plant a Flower Day is all about celebrating the beauty of flowers. Planting them can also help save pollinators like ...

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 eastern monarch butterfly population nearly doubled in 2025, but the numbers remain far below the long-term average.

The number of monarch butterflies overwintering this year in Mexico has nearly doubled, according to the 2025 annual census.

The monarch butterfly population has rebounded from a near record low number in 2024, according to the latest annual survey ...

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

Butterflies are vanishing nationwide due to habitat loss, climate change and use of insecticides, according to a new study, ...