Pioneering chimpanzee experiments revealed advanced intelligence and problem-solving skills. These apes demonstrated insight, ...

The British swallowtail butterfly (Papilio machaon britannicus) is the U.K.'s only native swallowtail and its largest native ...

Some butterflies possess a remarkable defense mechanism, appearing to have two heads. A recent study examined over 900 ...

Nearly 70 years ago, one of California's rarest butterflies disappeared without a trace. But was it truly extinct—or had no ...

The eastern subspecies of the regal fritillary butterfly, marked by orange forewings and dark hindwings, is found in only one location in North America and is threatened with extinction. That location ...

Add Yahoo as a preferred source to see more of our stories on Google. There were only "a handful" Duke of Burgundy butterflies in Kent at the start of the century, according to Butterfly Conservation ...

The Black-eyed Satyr, Euptychia attenboroughi, is so rare it is only found in the lowland tropical forests of the upper Amazon basin in Venezuela, Colombia, and Brazil. The Black-eyed Satyr is the ...

The High Brown Fritillary needs bracken and a certain violet to thrive - but everything in moderation.

For the first time in nearly two decades, a rare butterfly, known as the red-spotted patch butterfly, was spotted in South Texas. Located in the Rio Grande Valley in Mission, the National Butterfly ...

Spooky season is in full swing over in Missouri. A biologist recently spotted and photographed a super rare white monarch butterfly in the exact same spot where she previously saw a more common orange ...