Sarah Hilburn, a member of the Hill Country Master Naturalists, talks about monarch larva monitoring to a crowd of about 60 ...

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

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.

Explore the worrying decline of Monarch butterflies in Texas and the implications for pollination and food production. Learn why preserving these butterflies is vital for a sustainable ecosystem.

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

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

In 2023, more than 16,000 butterflies were counted at one local grove. The most recent count was a tiny fraction of that.

In the fall, monarchs in the United States ... their eggs and the sole food source for their caterpillars. Monarch migration ...

A new survey shows monarch butterfly populations are dwindling, and advocates are reintroducing a tagging system (yes, you can tag a butterfly) to keep track of numbers. Jacqui Knight from the Moths ...

Sean "Diddy" Combs. (Shareif Ziyadat/Getty Images for Sean "Diddy" Combs) ...

Responses to a survey of monarch butterfly lovers in NZ has indicated a serious problem for the species. “A significant deterioration in numbers was found, according to the survey respondents ...

Thogmartin and other researchers have evaluated more than 200 scenarios for restoring greater than 1.3 billion stems of ...