Despite its tiny stature, the smallest bird native to North America can survive cold nights in the Rocky Mountains, and some ...

There are 49 species of pine tree native to North America. Non-native species have also been introduced to the United Sates, as ornamental trees in landscaping.

The Bald Eagle’s undeniable majesty has earned it longtime status as the mascot of the United States, but the bird also has some surprisingly quirky traits, like its dicey aerial courtship routine or ...

Birds are dying at an alarming rate, and it’s a warning sign to humans that the quality of our environments are getting worse ...

There are more than 120 species of butterflies in western Pennsylvania, and the North American Butterfly Association wants ...

Discover why 96 million Americans are turning to birdwatching and how you can easily get started in your own backyard with ...

The bluebird feeds mainly on insects and other invertebrates (such as moths, worms, flies, ants, etc.), but they will search for berries, especially in winter. You will often see them perched on wires ...

Discover the question mark butterfly as it emerges in forests, showcasing vivid colors, unique camouflage and a seasonal life ...

Numbers of Arctic terns nesting at a key breeding site have dropped by nearly a third this year, as experts warn climate ...

America's national bird is doing great. The government's proposed cuts to nature protections could put that at risk.

You’ve probably seen a bald eagle in a film or TV show, where the bird soars gracefully and swoops with might to catch its ...

West Nile Virus was first reported in the U.S. in 1999. The virus spreads through mosquito bites, although most people who ...