Infected House Finch (IMAGE) National Evolutionary Synthesis Center (NESCent) Caption The red, swollen, crusty eyes in this house finch are the result of a highly-contagious infection caused by the bacterium Mycoplasma gallisepticum. Credit Photo by Geoffrey E. Hill. 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.