The mission of the Amphibian Red List Authority (ARLA) is to provide accurate and up-to-date information on the extinction risk of all amphibian species known to science. Following the November 2016 IUCN Red List update, 2,012 amphibian species have up-to-date IUCN Red List assessments, constituting over twenty-six percent (26.5%) of the 7,586 amphibian species currently recognized by Frost (1). A summary of the 121 assessments published in the November 2016 IUCN Red List update is described below.