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

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

MADISON, Wis. (AP) — The number of monarch butterflies spending the winter in the western United States has dropped to its ...

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.

Growing milkweed from seed is one of the easiest ways to help declining monarch butterflies. In December 2024, the U.S. Fish ...

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.

Valentine’s Day is a celebration of love. Flowers have long been symbolic of that special connection between people.

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...

(Photo courtesy of California State Parks Foundation) The Western population of the monarch butterfly has reached ... the main food source for the monarch caterpillar, were contaminated by 64 ...

The findings challenge previous assumptions about butterfly migration and highlight the role of phenotypic plasticity.

Vaccines Tobacco Hepatitis B virus surface antigen (HBsAg) produced in transgenic tobacco induces immune response when injected into mice ... including the monarch caterpillar, and it had been ...