American Pika (IMAGE) Ecological Society of America Caption With their sensitivity to overheating, pikas are an indicator species for how climate change may affect mountain-dwelling wildlife. Credit Photo courtesy of Shana Weber. Usage Restrictions Photo courtesy of Shana Weber. 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.