Yellow Warbler in the Galapagos Islands (IMAGE) McGill University Caption Human activities - from pollution to animal harvesting - are changing the activities and appearance of a wide range of species, including this yellow warbler in the Galapagos Islands. Credit Andrew Hendry, McGill University Usage Restrictions None - as long as credit is given 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.