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World Migratory Bird Day ‘Spring Count’


Each year Bighorn Audubon Society participates

in the World Migratory Bird Day Spring Bird Count,

created in 1993 at the Smithsonian Migratory Bird

Center and the Cornell Laboratory of Ornithology.


The count is similar to Audubon’s Christmas Bird Count but is conducted on one day each year: the second Saturday in May in the U.S. and Canada, and in October in Mexico, Central and South America, and the Caribbean. The goal of the Count is to get more than a snapshot of the movement of Neotropical migratory birds: birds that spend the summer in a breeding range in North America and migrate south to Latin America, Mexico, and the Caribbean in winter. It is the only international education program that focuses on the migration of nearly 350 species of migratory birds between nesting habitats in North America and non-breeding grounds in Latin America, Mexico, and the Caribbean. When combined with other surveys, such as the Breeding Bird Survey, this survey provides a picture of how the continent’s bird populations have changed in time and space over the past hundred years. Data are combined within a large pool in order to evaluate continental changes in bird populations. Locally, the one-day count data are sent to the non-game division of Wyoming Game and Fish to aid in our understanding of local bird populations. For more information on the count on the second Saturday in May – please contact JoAnne Puckett at

To see the 2023 Report and results please click here


 2022 and 2021 results please click here 

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