I approach a flock of mountain chickadees feasting on pine nuts. A cacophony of sounds, coming from the many different bird species that rely on the Sierra Nevada's diverse pine cone crop, fill the ...

Parrots are among the most vibrant and loquacious birds in the world — and are typically found in equatorial habitats. Here ...

Birds continue to be amazing. Crows can use tools and hold grudges against specific people. Magpies can recognize themselves ...