Butterfly populations in the US shrank by more than a fifth within the space of two decades, according to a new study.

The plight of the Quino checkerspot butterfly has been described by a biologist as “four engines out and about 10 seconds to impact.” The Quino checkerspot was once one of the most common butterflies ...

The beautifully colored, striped and spotted caterpillars of these common butterflies feed on many plants in the parsley family, so plant more to share. Then enjoy watching the swallowtail ...

The West Coast lady, once a common backyard butterfly, has declined by 80%, raising alarm as even this highly adaptable species struggled. "That's alarming because it suggests even common ...

By avoiding common mistakes like using chemical pesticides, planting invasive species, and over-mowing, you can help ensure ...