The Foothill Yellow-legged Frog: Status Update and Steps for Compliance

By Brian Freiermuth, Wildlife Biologist Foothill Yellow-legged Frog Life History The foothill yellow-legged frog (FYLF), Rana boylii, is visually one of the more non-descript frogs in California, but it must gamble for survival.  Although FYLF breed in relatively calm parts of streams, these areas are prone to scour from large late-season rains,  or dry out … Continue Reading »

Expanding Opportunities for Environmental DNA Sampling

by Daniel Chase and Patricia Valcarcel The molecule that contains the genetic instructions for life, and is found in every species on the planet, is now opening new doors and providing a powerful tool for biologists and natural resource managers.  Deoxyribonucleic acid, more commonly known as DNA, is fundamental to life.  For decades, scientists have … Continue Reading »