Northern Jaguars: Over A Decade of Field Observations in the Mexico-US Borderlands

I have studied jaguars in northwest Mexico and southwest United States for the last 14 years. In 2003 I had the opportunity to study jaguars in the Sierra Madre Mountains of Sonora, Mexico, about 125 miles south of the international border. I was lucky to see two (one female and one male) and several mountain … More Northern Jaguars: Over A Decade of Field Observations in the Mexico-US Borderlands

3 Parks: 1 Partnership. Part 2.

Arizona-Sonora Desert Museum, along with Organ Pipe National Monument and Pinacate Biosphere Reserve, have teamed up on a unique conservation and education project (funded by a grant from the National Park Service). The three organizations are uniting to help ensure species survival of Sonoyta pupfish (formally known as Quitobaquito pupfish) and the Sonoyta mud turtle.   Commonly referred … More 3 Parks: 1 Partnership. Part 2.

Ecological Scent Detection: Sniffing out the Elusive Pima Pineapple Cactus

The usefulness of detection dogs to our society seems just to grow and grow. Detection dogs have been trained to find explosives, illegal drugs, currency, gourmet fungus, human remains, contraband electronics, firearms, termites, bed bugs, cancerous tumors and low blood sugar emergencies in people with diabetes. And the dogs do this even if the scent … More Ecological Scent Detection: Sniffing out the Elusive Pima Pineapple Cactus

Baby Got Bat!

Rather, the lesser long-nosed bats are having babies! According to a press release from the US Fish and Wildlife Service, a proposal has been submitted to delist the bat from the United States endangered species list, following a delisting from the Mexican endangered species list in 2015. With over half of the North American species … More Baby Got Bat!

Filthy, Stinking Niche: Vultures in the Ecosystem

Vultures have garnered perhaps the worst reputation of all birds worldwide. They’ve been blamed for killing cattle, stalking vulnerable prey, and compared unfairly to politicians. And while they do scavenge upon what humans would label as filthy, gross meals, without the tidy housekeeping of vultures, any ecosystem would quickly be overrun by insects and diseases. … More Filthy, Stinking Niche: Vultures in the Ecosystem

Animal Migration in the Sonoran Desert Region

Many of us are anticipating the arrival of sun-seeking visitors from afar due to the holiday season. But what if your winter visitors had to swim 6,000 miles to get here? That is exactly what our region’s largest winter visitors do. Each winter, the Sonoran Desert bears witness to the greatest mammal migration on Earth. … More Animal Migration in the Sonoran Desert Region