Our Migratory Bird Program pilot biologists and ground crews submit their first-hand observations from the field as they conduct the Waterfowl Breeding Population and Habitat Survey. The survey is conducted by airplane, helicopter, and ground over a 2 million square mile area that covers the principal waterfowl breeding areas in North America, and includes parts of Alaska, Canada, and the northcentral and northeast U.S. This survey is also referred to as the Breeding Population Survey (BPOP) or the May Survey. This is the collection of field reports from 2023.
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