Penguin distribution map (IMAGE) Woods Hole Oceanographic Institution Caption Existing emperor penguin colonies and their average population sizes from 2009 to 2018. The colonieshighlighted in red represent those with available population size estimates. Colonies marked in teal areadditional locations. The inset displays the indexof global abundance of emperor penguins, representingthe number of adult birds in attendance at colonies during the springtime, calculated annually.Thenumber of emperor penguins changed from approximately 252,000 birds in attendance duringspringtimein 2009 to approximately 226,000 birds in 2018. Credit Natalie Renier ©Woods Hole Oceanographic Institution Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.