The great Mormon butterfly is one in every 10,000 butterflies who is half male and half female. Scientists explained this ...

Female monarch butterflies have no trouble finding a mate -- even when a parasite kills most of the males, new research shows. Female monarch butterflies have no trouble finding a mate -- even when a ...

Learn facts about the monarch butterfly, including how how to tell male and female monarchs apart and if monarchs are ...

In some species, female and male butterflies apparently perceive colors differently. Zebra Longwing (Heliconius charithonia) at the National Butterfly Center in Mission, Texas. Public domain image ...

BUFFALO, N.Y. -- Size doesn't matter, at least not the size of the eyespots on a male butterfly's wings when female butterflies consider potential mates. Instead, females are attracted to the "sparkle ...

When resources are scarce, most animals have to choose. A new study reveals an ancient origin to how female butterflies invest. Have you ever marveled at the vast diversity of life on our planet, from ...

Come one, come all to visit the half male, half female butterfly that hatched two weeks ago during the Sensational Butterflies exhibition at the Natural History Museum in London! And if you can’t make ...

Female monarch butterflies have no trouble finding a mate – even when a parasite kills most of the males, new research shows. Some females carry a parasite called Spiroplasma that kills all their male ...