Last updated 5:19PM ET
May 24, 2013
Earth Notes: Mud Turtles Flagstaff, AZ (2011-07-06) Most of the Southwest is hardly turtle habitat. But in the scattered places where water rests in the open, or runs slowly, you can find them in mild weather.
Earth Notes: Grand Canyon's Bass Heritage Flagstaff, AZ (2011-06-15) Toward the west end of Grand Canyon National Park, the South and North Bass trails plunge into wild canyon terrain. The trails are named for William Wallace Bass, a railroad man, miner, and entrepreneur who pioneered the area in the 1880s.
Earth Notes: Arizona's Bald Eagle Nestwatchers Flagstaff, AZ (2011-06-08) Bald eagles are a spectacular sight in Arizona's skies year round. Like the human population, they're more abundant in winter, when individuals from up north migrate south to take advantage of milder winter weather.
Earth Notes - Elk Antlers 101 Flagstaff, AZ (2011-06-01) Every year bull elk spend a lot of energy growing and hefting around antlers. These phenomenal structures, made purely of bone, have been known to grow at a rate of 1 inch per day during summer. But is it worth it?