Spotted bat (IMAGE) Oregon State University Caption Euderma maculatum. This bat, captured along the John Day River by Tom Rodhouse, shows the distinctive spots and huge pink ears that allow it to hunt moths through the desert canyons of the western United States and Canada Credit Provided by Tom Rodhouse, NPS and OSU-Cascades. 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.