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.

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

Monarch butterflies are unique in their migration patterns. Eastern monarchs travel between Mexico and the U.S., spending ...

But did you know that some common fall gardening practices can inadvertently harm our cherished butterflies and bees? It’s ...

A monarch butterfly feeds at Cape May Point State Park in Lower Township, N.J., Wednesday, Oct. 14, 2020.Get Photo Monarch butterflies roost as the sun begins to set at The Nature Conservancy's ...

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 ...

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 ...

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 ...

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.