This piece was originally published in Undark and appears here as part of our Climate Desk collaboration. On a sunny November morning, Anthony Colegrove parked his work truck on the side of a road in northern California’s Klamath Mountains and began creating a mobile laboratory. He pulled down the truck’s tailgate, popped open a tackle box filled with syringes and other supplies, and pulled out a clipboard. Meanwhile, a weasel-like animal called a fisher waited nearby, making glottal noises inside a wire trap. Colegrove is a field technician with the…
