In the early 1990s, Keith Willmott and a friend, both undergraduate students from the United Kingdom, arrived in Ecuador with ...

Butterflies are beautiful creatures that typically have magnificent coloring and are associated with sunshine, flowers, transformation, hope, and freedom. They play important roles in the ecosystem as ...

Butterfly abundance in the continental United States has crashed some 22% in only 20 years across 554 species counted, an alarming new scientific study involving Michigan State University found.

Federal wildlife officials on Tuesday moved to add the monarch butterfly to its endangered species roster, citing decades of steep population decline of the striking black-and-orange insect. The U.S.

How five proposed Trump Administration changes threaten protections for struggling species in the San Francisco Bay Area.

The once-common orange-and-black butterflies have declined by 90% in recent decades, with the latest count showing the second smallest population on record, according to the Center for Biological ...

BOSTON (AP) -- Historic butterfly communities in Massachusetts are dwindling and being rapidly replaced by their southern relatives, according to a Harvard study released Sunday. The study outlines ...

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Adorable names for your little flutter friends!

The Western monarch population has plunged more than 95% since the 1980s, and has a more than 99% chance of extinction by 2080. Western monarchs primarily spend winters along the California coast.