2019 heat wave at Punta Tombo (IMAGE) University of Washington Caption University of Washington doctoral student Katie Holt examines adult Magellanic penguin corpses (circled) at Punta Tombo, just after a heat wave on Jan. 19, 2019, killed at least 354 penguins. Temperatures that day spiked to 111.2 F in the shade. Credit Anna Sulc/University of Washington Usage Restrictions Must include credit 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.