I admit it. I am a lister. Using eBird, I keep an electronic record of my bird sightings. Long before eBird existed, I wrote ...

Nature is full of vibrant colors, but when most people think of the natural world, green is often the first shade that comes ...

Spring officially starts on March 20, but warm weather and blooming flowers usually come early in Arizona. Here's how you know it's springtime.

As the weather changes and spring approaches, Arizona residents may see more animals, including Gila monsters, snakes and ...

With threats of avian flu and lead poisoning, biologists are working overtime to care for a species that nearly went extinct.