Pika (2 of 2) (image) University of California - Santa Cruz Share Print E-Mail Caption With high metabolic rates and thick fur, pikas are well adapted to the cold temperatures at high elevations, but these same adaptations make them vulnerable to global warming. Credit Joseph Stewart Usage Restrictions For use only with news coverage of this research. Share Print E-Mail 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.