Science Spotlight

Science Institute News

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Recent accomplishments of CDFW's scientific community


Science Spotlight: CDFW’s Annual Egg Take Results in Big Haul on the Little Truckee River

Woman wearing brown beanie cap, black puffy vest, flannel shirt, and camo waders standing in streambed holding a salmon
Each October, conditions permitting, CDFW staff and volunteers from the California Inland Fisheries Foundation, Inc. and Kokanee Power descend on the Little Truckee River, just upstream from Stampede Reservoir near Truckee, and get to work on the annual Kokanee Egg Take.

Science Spotlight: It’s Spawning Season for Salmon, Scientists Trying to Revive Extinct Central Valley Salmon Run

Man wearing long sleeved khaki shirt and pants with CDFW logo as well as yellow reflective vest and green safety hat while holding upside down fish. Scale made of PVC pipe and monitor in background.
Fresno County may seem an unlikely setting for salmon restoration and research, but some of the California Department of Fish and Wildlife’s (CDFW) most ambitious work with salmon anywhere is taking place in the heart of the parched Central Valley.

Science Spotlight: Warner Mountains Black Bear Project

Redhaired woman wearing blue shortsleeved shirt, khaki pants, and blue latex gloves holding tweezers in one hand near barbed wire fence and small manila envelope in other
California’s black bear population is healthy and growing, with an estimated 35,000 animals, up from an estimated 10,000 to 15,000 in 1982. But how do wildlife biologists determine these figures – and why are they important?

Banding Together: Two Pacific Flyway States Share Resources to Manage Geese

Woman with glasses and braided hair holding goose while second woman holds goose's head in one hand and measuring device in other.
Every September, California Department of Fish and Wildlife waterfowl biologist Melanie Weaver sets off on an unusual business trip. She packs up a trailer with huge nets, wire, rockets, crates and a number of VHF collars. She makes the seven-hour drive to Summer Lake, in southern Oregon’s high desert country, and settles in for a waterfowl capture project of indeterminate length.