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* Data is provided as-is for visualization purposes only. Migration Station makes no warranties for the data, and assumes no liability for any use, or activity arising from use, of this data.

  1. Normalizing the population counts ‘per square mile’ leads to an extremely rough approximation. This view is only intended to offer a potentially more representative look at population density. Sampling and data-gathering methods vary state-to-state, and it is safe to assume that most surveys do not include an entire state’s landmass.
mid-winter waterfowl survey

About the Mid-Winter Waterfowl Survey

The mid-winter waterfowl survey is a nationwide effort organized by the United States Fish and Wildlife Service (USFWS) to survey wintering waterfowl populations with respect to conditions that could affect populations both in the short and long term. When active, this survey serves as the primary point of reference for waterfowl population data.

For more information on the USFWS’s mid-winter waterfowl survey, including the procedures used to gather the data, potential limitations of the data, and means of contacting representatives concerning the mid-winter waterfowl survey, please visit the USFWS Migratory Bird Data Center’s page on the Mid-Winter Waterfowl Survey.

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Check out Migration Station's Other Applications

waterfowl migration map

Waterfowl Migration Map

Get a live look at the ongoing migration with the Waterfowl Migration Map, which depicts day-to-day movements and details where waterfowl concentrations are at their highest.

waterfowl counts near peoria Illinois

Waterfowl Counts Table

Get an overview of where the ducks and geese are nearest to you with The Waterfowl Counts Table. Specify your location and get an accurate count in the areas nearest you!

waterfowl-populations-over-time

Historic Waterfowl Populations

View waterfowl populations over time with the U.S. Fish and Wildlife Services’ Mid-Winter Waterfowl Survey and Breeding Population and Habitat Survey. Each survey dates back to the 1950’s, so there is plenty of data to view!

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