Science Spotlight

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Recent accomplishments of CDFW's scientific community


Enumerating California’s Most Elusive Residents: Puma concolor

A gold-colored mountain lion snarls from its perch on a rocky hillside, under a clear blue sky
It’s just before dawn in the eastern Sierra Nevada Mountains in Mono County. It’s a cold clear morning, a good day to be out experiencing a still very much wild area of California. California Department of Fish and Wildlife (CDFW) biologist Justin Dellinger and a Wildlife Services houndsman are preparing gear to go out looking for fresh mountain lion tracks in this vast landscape.

How Harvest Numbers Help Biologists Plan for the Future

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As California deer hunters head to the fields, forests and mountains this summer and fall, their experiences will provide wildlife biologists with key data on the health of the state’s deer herds.

CDFW Captures Tule Elk in Phase One of Multi-Year Study in Colusa and Lake Counties

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The California Department of Fish and Wildlife (CDFW) recently launched the first phase of a multi-year study of tule elk in Colusa and Lake counties. In partnership with the University of California, Davis and the Rocky Mountain Elk Foundation, and with the assistance of capture specialists from Leading Edge Aviation, researchers used helicopter net guns to capture and place satellite collars on 45 tule elk.