Tag: California

Site visits are critical to helping scientists learn more about species and their habitats.  The trips often take them into areas most people do not have a chance to explore,...

Birds in California have shifted their breeding season about five to 12 days earlier than a century ago, according to new research. TWS member Steven Beissinger, a professor of ecology...

Site visits are critical to helping scientists learn more about species and their habitats.  The trips often take them into areas most people do not have a chance to explore,...

Monarch butterflies that overwinter on the West Coast of North America have declined from the millions 30 years ago to only 300,000 today, according to new research, raising concerns that...

As mountaintop dwellers, American pikas (Ochotona princeps) are particularly susceptible to climate change, but recent research suggests a population in California’s Sierra Nevada Mountains were driven to extirpation from the...

The U.S. Forest Service’s Pacific Southwest Region, the California Department of Forestry and Fire Protection (CAL FIRE), the National Fish and Wildlife Foundation (NFWF), and Sierra Pacific Industries (SPI) signed...

They may look big and tough, but pumas (Puma concolor) might be as afraid as humans as many humans are of them. In a new study published in the Proceedings...

ALBANY, Calif. — The Yosemite toad (Anaxyrus canorus) is a rare species found exclusively in California’s Sierra Nevada. While its range encompasses hundreds of miles, spanning five national forests and...

TWS’ San Joaquin Valley Chapter is raising money to help treat endangered kit foxes (Vulpes macrotis), whose urban population has been struck by a sarcoptic mange epidemic. “It’s the Chapter...

Before mega-fires like the 2013 Rim Fire burned large swaths of the landscape, Yosemite National Park had been setting smaller prescribed fires to regenerate the forest. In a study published...