The study was one of several that assessed the effects of climate change on three species of butterflies whose populations are declining.

From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds of the Camp Dodge military installation in central Iowa.

Migratory monarch butterflies entered the International Union of Conservation ... journey south by growing nectar-rich ...

This year's Great Plant Picks theme will have you dreaming about a lively year-round pollinator paradise filled with bees, ...

DeWaard hypothesizes that these butterflies might be dispersing from the more crowded regions in their quest to procreate. Migrating monarchs also stop by in the fall, filling up on nectar in the ...

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

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

With such a drastic population loss, the remaining butterflies are heavily impacted by the weather, she said. Drought and heat struck California during late summer and early fall, creating ...