What Does a Hackberry Emperor Look Like? What type of butterfly is this? asks reader Andrea Rickard of Helena, Ohio. Kenn and Kimberly Kaufman say, “This is a good view of the intricate pattern on ...

One bird spectacle readily observable in Allegheny County right now comes in the form of 100 purple martins swirling above ...

Researchers believe this may be an isolated population from an ancestor species that went extinct everywhere else.