Wildlife Markets (IMAGE) Wildlife Conservation Society Caption Wild and domestic birds can often be found together in wildlife markets, as well as on the way to markets, as in this photograph. Such commingling of different species gives diseases new opportunities to mutate and spread. Credit D. Collins/Wildlife Conservation Society Usage Restrictions One-time usage only 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.