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

Butterflies closer to the equator have been shown to evolve shared wing patterns faster than their relatives at higher latitudes. That gradient reframes tropical diversity as an active process, shaped ...

When a butterfly crosses your path, it’s only natural to take a pause to register such natural beauty and splendor. Like catching sight of a rainbow, seeing a butterfly feels like a special and ...

Butterflies play a crucial role in pollination and serve as a food source for other species, making their decline a significant ecological concern. Researchers analyzed data from more than 76,000 ...

Conventional wisdom is that if you cultivate host plants, butterflies will come. Take, for example, milkweed. After declining monarch populations began making headlines in the late 1990s, people ...

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 ...

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

The Endangered Species Act is no help yet.