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

From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds ...

The butterfly appears to be a hybrid between two known tiger swallowtail species — P. glaucus and P. canadensis — but because ...

Monarchs are among the most recognizable and best loved butterflies in North America, but you might have noticed fewer of ...

Bird flu infects many species, including wild animals, according to the United Nations. Ducks, quail and at least one eagle ...