New stock assessments for 27 Pacific marine mammal stocks under NMFS jurisdiction have been published and are available at the following web link: http://swfsc.noaa.gov/prd-sars.aspx. Revised abundance estimates are available for 20 stocks, including 5 endangered large whales, the Hawaiian monk seal, and southern resident killer whales. New stock assessments produced by the US Fish & Wildlife Service for sea otters in California and Washington are also included in this volume.