Park stories

From Photos to DNA: Citizen scientists focus on Gila monsters at Saguaro National Park

Emma steps out often but stays close to home. After almost drowning, Ward kept a low profile for 12 years. King Tut likes to strut and has been spotted many times over the past several years. This trio, along with another 180 Gila monsters (Heloderma...

The Ants Go Marching On: 30 years of Atta mexicana in Organ Pipe Cactus National Monument

It was mid-October, and it was still hot in the Sonoran Desert. The land was beyond parched. The creosote leaves looked crispy, as if they hadn’t had a good drink of water in ages. The leafcutter ants Atta mexicana, however, seemed to be doing fine...

Outfoxing the Red Fox

About 300,000 years ago, during the last big Ice Age, a small red creature traversed the deep snow of what is now the Rocky Mountains. Furry paws, a thick coat and a knack for survival helped the red fox thrive in the glacial environment. The...

Discover the Benefits of Bats at El Malpais National Monument and How to Protect Them

Imagine a world without bats—a world overrun with biting insects, a world where plants that rely upon bat pollinators might disappear. Debbie Buecher, a Tucson bat biologist, is trying to prevent that scenario from becoming a reality. Buecher studies...

Tree Rings Do Tell Tales

Dendrochronology at Chaco Canyon Remnants of an Ancestral Culture The remains of an ancient culture, including ruins of the Great Houses of Chaco Canyon, lie silently in a remote canyon on the Colorado Plateau in northwestern New Mexico. Now part of...

Proof of Life. Tent Circles at Bighorn Canyon

Tipi Rings Outline the Circle of Domestic Life One of the most ephemeral of archaeological artifacts, the tipi ring, or tent circle, is a rich source of data concerning domestic practices of the Plains Indians, including the Crow peoples, within the...

Mahogany on the Decline.

Solving the puzzle of dying curl-leaf mountain mahogany trees in Bighorn Canyon, Wyoming A battle for supremacy is raging on the border between Wyoming and Montana in Bighorn Canyon National Recreation Area, but it’s probably not visible to the...