Colony estimates at central Mexico overwintering sites indicate that monarch butterfly (Danaus plexippus ... Deforestation and forest degradation in the butterfly's overwintering sites Climate change ...

Monarch's multigenerational migration is legendary — a journey of up to 3,000 ... are plummeting toward extinction due to landscape-scale threats from pesticides, development and climate change.

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

Monarch butterflies make one of the largest insect migrations in the world, flying around 2,500 miles from the US and Canada to Mexico. During their migration they provide an essential pollination ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...

The results of the 28 annual mid-season Western Monarch Count have been released: only 9,119 of the butterflies were counted ...

SAN FRANCISCO – Each year, millions of majestic orange and black monarch butterflies make an extreme, multi-generational 3,000 mile migration ... A monarch butterfly lands in Nixta Taqueria's ...

exposure to insecticides and the effects of climate change. The U.S. Fish and Wildlife Service predicts the western populations of the monarch butterfly faces a 99 percent chance of extinction by ...

The count of 9,119 butterflies this winter is a sharp decline from 200,000 reported in the past three years, but slightly up from 2,000 monarch reported in 2020.

Monarch butterflies have declined 80 percent or more in recent decades Each year, eastern monarchs embark on a migration spanning ... from habitat loss, climate change and the use of insecticides ...

Monarch's multigenerational migration is legendary — a journey of up to 3,000 ... are plummeting toward extinction due to landscape-scale threats from pesticides, development and climate change.