The data was collected over 17 years. Man dies before seeing how his data led to critical discovery about butterflies: 'An amazing gift' first appeared on The Cool Down.

Swallowtails’ unique, tail-like hindwing extensions make them some of the world’s most beautiful and interesting butterflies. Unfortunately, many of these insects are also imperiled. The Center is ...

The tree nymph, one of the largest butterflies in Japan, flits and floats gracefully in the air with its wings spread wide. While the insect is known for its beautiful white wings with black spots ...