In the forests of Mexico resides the giant owl butterfly (Caligo eurilochus) that flaps its papery 7-inch (18 centimeters) ...

The owl butterfly may be beautiful, but looks can be deceptive: in reality the species is something of a hooligan. The juice guzzler loves nothing more than a day feeding on fermented fruit and ...

"It's kind of like when a butterfly lands on your arm, you tend to think wow, I've been blessed by the divine," said The New York Historical's curator Rebecca Klassen. Flaco the owl first swooped ...