Waterfowl Surveys

Flock of waterfowl at Sutter NWR by Mike Peters

Waterfowl surveys have historically been conducted bi-monthly by refuge biologists from October through February. Starting fall 2016, surveys will be conducted once-monthly. Please note that wildlife regularly move around the Sacramento Valley.

The latest Waterfowl Surveys

Check out the Waterfowl Status Report by the USFWS and Canadian Wildlife Service.

2019-20 Season: 
Surveys are done once a month, around mid-month.  It takes approx 7-10 days for biologists to transcribe and post survey results.


Previous Years: