One of the rarest butterflies in the country, the Schaus Swallowtail Butterfly, is benefitting from an event many people ...

I finally address a gap in my knowledge: butterflies. To do this, I'm using a field guide to try to find what has gone ...

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

In a new study, scientists pulled from a 35-year dataset to examine long-term population trends of the federally endangered ...

Once, millions of monarchs wintered in California. But climate change, habitat loss, widespread pesticide use and disease ...

Sometimes, nature’s surprises come with wings. In a new study, scientists pulled from a 35-year dataset to examine long-term population trends of the federally endangered Schaus’ swallowtail butterfly ...

The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording ...