Marsh rice rat (IMAGE) Ecological Society of America Caption A tagged, adult marsh rice rat (Oryzomys palustris) is measured in the field. Marsh rice rats are abundant in coastal saltmarshes and are the reservoir host of a pathogenic hantavirus (Bayou orthohantavirus). [photo taken in 2016] Credit Anna Pérez-Umphrey Usage Restrictions Credit the Ecological Society of America and Anna Pérez-Umphrey 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.