Columnist Bill Danielson explores the challenge of identifying individual birds and the rare moments that make one stand out ...

Calliope Hummingbird Identification and Size Measuring a mere 3 inches long and weighing one-tenth of an ounce, roughly the same as a table tennis ball, the Calliope hummingbird is incredibly tiny.

Learn how to identify a male and female tree swallow. Find out about their nests, song, range map and what tree swallows eat.

People traipse cross-country to see clouds of kites, or to catch a glimpse of a golden eagle in its highland home, and webcams fixed on the nests of ... asked to identify. Sparrowhawks are fairly ...

The total was five less than the 25-year average, but there were some exciting and unusual sightings documented by local ...

In this forest thick with trees up to 600 years old lives the southernmost population of the California condor (Gymnogyps ...

Nature enthusiasts and bird watchers were treated to a rare sighting of a hen harrier in the Forest of Bowland on Monday ...

Unique, colorful, musical and social, evening and pine grosbeaks are wild birds that tend to be wintertime visitors that we ...

The Nicobar Islands are a biodiversity hotspot, home to unique species found nowhere else. Long isolated, these islands have ...

Thousands of probationary federal employees received termination notices. Many were doing crucial work at science-related agencies.