Great Kiskadee (IMAGE) Wildlife Conservation Society Caption Veterinarians from the Wildlife Conservation Society and other organizations conducted a study examining the role of environmental factors on the abundance of parasites on South American birds. This great kiskadee chick is covered with parasitic fly larvae, the result of increased temperatures and precipitation levels that possibly stem from climate change. Credit Pablo Beldomenico Usage Restrictions One time usage only. Must use photo credit. 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.