Humboldt's Flying Squirrel (image) University of Washington Share Print E-Mail Caption The newly-described Humboldt's flying squirrel is the third-known species of flying squirrel in North America. Credit Nick Kerhoulas. Usage Restrictions Must include credit Share Print E-Mail 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.