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 ...

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

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

You’re outside when suddenly you hear an unfamiliar chirp. Looking around, you wonder, “Is it a squirrel?” “Is it a bat?” And ...

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 ...

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

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 ...

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

The North Dakota Game and Fish Department’s 78th-annual spring breeding duck survey conducted in May showed an index of about ...