We’ve all noticed the spring symphony of morning bird sounds, but why and how do birds make sounds? Bird calls are short and simple, often signaling flight or danger, are made throughout the year, and ...

Of over 300 hummingbirds species, which are only found in the Western Hemisphere, just seven of them can be found across Oregon. They include the black-chinned, Anna’s, Costa’s, calliope, broad-tailed ...

Claudio Mello was conducting research in Brazil’s Atlantic Forest about 20 years ago when he heard a curious sound. It was high-pitched and reedy, like a pin scratching metal. A cricket? A tree frog?

Find your headphones. Mixed Signals offers at day's end an audio benediction. In Britain, Sir David Attenborough, known as the "father of natural history programming" was honored by UKTV on the ...

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. In fact, Eric Rasmussen, avian scientist at the ...

A loud environment can have a negative effect on a bird's ability to hear, as well as creating physical and behavioral issues. Humans are a noisy species. Think about our amplified music, our cars and ...