by Lisa Salamon, Adirondack Pollinator Project
The iconic Monarch butterfly was added to the International Union for the Conservation of Nature Red List of Threatened Species in July. The List, known as the IUCN Red List, founded in 1964, is the world’s most comprehensive inventory of the global conservation status of biological species. It uses a set of precise criteria to evaluate the extinction risk of thousands of species and is recognized as the most authoritative guide to the status of biological diversity.
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