Wall brown butterflies adapt quickly through evolution as the climate warms and they shift northward. They grow faster and ...

A celebration of bees and native plants took center stage at the Lehigh Gap Nature Center, where visitors were treated to a ...

As the climate warms, many species are shifting northward into areas that were previously too cold for them. A study, ...

A butterfly flits past the window at the Castlewood Canyon Visitor Center, where dozens of volunteers have gathered to learn about Colorado’s declining butterfly population and how they can do ...

The wall brown butterfly (Lasiommata megera) is common in large parts of Europe. In Sweden it is often found on beaches and pastures, where it likes to rest on rocks and stone walls. Photo: Mats Itton ...