Their dad goes out of town, looking for a rare butterfly to add to his collection.

Several rare butterflies are also indigenous to the area.

Jack went very still, the way he would have if a rare butterfly suddenly landed a foot in front of him.

It is also famous for woods which are home to rare butterflies, birds and flowers.

Others, I understand, wanted jewels; one man even asked for rare butterflies.

It is one of the rarest European butterflies, having not more than six or seven populations.

In 2013, five rare butterflies, indigenous to Florida, haven't been seen in over six years.

Little is known about this rare butterfly, but it is not considered threatened.

He held it up, studying it as one might study a rare butterfly.

C1 Scientists say a rare butterfly should be allowed to become extinct.