The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

Are monarch butterflies endangered? Monarch population numbers are falling and it's clear that these butterflies need our ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in ...

The natural phenomenon of the iconic monarch butterflies migrating south for the winter is a fascinating one - and it's one ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

Monarch butterflies in the western U.S. have dropped to just 9,119 this year. In 2023, the count was 233,394, meaning a 96% decline.

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...

Monarch butterflies, known for their distinctive ... the host plant for the insect's caterpillars. The plant has been disappearing before a combination of drought, wildfires, agriculture and ...

We know small populations are especially vulnerable to environmental fluctuations, and we think that’s what happened this ...