Science Spotlight

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Recent accomplishments of CDFW's scientific community


Upper Butte Basin Wildlife Area Pioneering Wild Turkey Banding, Research Effort

A male wild turkey is released from a cardboard box after being banded, weighted and measured recently at the Upper Butte Basin Wildlife Area.
Scientists at the California Department of Fish and Wildlife and volunteers from the National Wild Turkey Federation conduct annual spring trapping and banding of wild turkeys at the Upper Butte Basin Wildlife Area in order to better understand the characteristics, habitat preferences and the dynamics of the growing population of wild turkeys using the wildlife area and surrounding properties.

CDFW Bands Together with NWTF to Benefit Wild Turkey Hunters

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Recent efforts to determine the number of turkeys on the Upper Butte Wildlife Area have been a net success.

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 Completes 2017 Waterfowl Breeding Population Survey

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The California Department of Fish and Wildlife (CDFW) has completed its annual waterfowl breeding population survey.

Deer DNA Study in the Sierra Nevada and Central Coast Ranges

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Deer population estimates are an important element of the California Department of Fish and Wildlife’s (CDFW) management decisions regarding the species – including setting quotas for deer-hunting seasons, acquiring land and identifying habitat improvement projects. Historically, CDFW has relied upon helicopter surveys to obtain these population estimates, but such surveys can be problematic. While they are effective in open and largely flat areas, they are less so in tree-laden areas where deer are hidden from sight. They can also be extremely expensive.