The Blue List

An early warning list conceived in 1971 detailing the declining, threatened or vulnerable species or birds. The Blue List was designed to identify patterns of impending or ongoing serious losses in regional bird populations, not to duplicate the function of the U.S. Fish and Wildlife Service’s Threatened and Endangered Species List. Many species on the Blue List remain locally common, but appear to be undergoing noncyclic declines. The list is now largely defunct as a result of the IUCN Red List

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