A new report finds that butterfly populations in the continental U.S. declined by one fifth between 2000 and 2020—but it’s ...

Butterfly Pavilion’s new exhibit highlights the cultural connections between humans and their invertebrate neighbors.

The long feeding straw makes it easy for a butterfly to reach deep inside a flower to draw out the nectar. Butterflies will consume nectar as well as rotting fruit. ©Wirestock ...

Humpback whales, spanning up to 8,000 km; Albatrosses, traveling 75,000 miles annually; Caribou migrating 1,500 mil ...

A sweeping new study reveals that butterfly populations across the continental United States have plummeted by 22% over the ...

Scientists usually study butterfly lifespans by marking them, and then either recapturing or observing them later. Researchers can also estimate a butterfly’s age by the condition of its wings. All ...

The annual decline of 1.3% highlights the widespread nature of the downturn, with fewer butterflies appearing nearly ...

A study involving a University assistant professor reported a significant decline in the country's butterflies over the past 20 years.

4, 2025 — Painted lady butterflies are world travelers ... 31, 2025 — Some biologists speculate that animals will get smaller with global warming to reduce heat stress. While this may be ...

Butterfly populations have dropped by 22% in the United States, according to a new study published Thursday in the journal ...

The number of monarch butterflies wintering in the mountains west of Mexico City, rebounded this year, doubling the area they ...

The number of butterflies in the contiguous United States declined by 22 percent this century, a collapse with potentially ...