Southern Gentoos (P. ellsworthi) (IMAGE) University of Bath Caption The four species of Gentoos look very similar, but do not interbreed and have adapted to live in significantly different habitats. Credit Gemma Clucas Usage Restrictions None License Licensed 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.