Amphibian and Mammal Red Blood Cells Side-By-Side (image) University of Utah Share Print E-Mail Caption This is a photomicrograph showing a blood smear with the large red blood cells of the African clawed frog and the small red blood cells of a rodent side-by-side (400x magnification). Credit Photomicrograph by Adam Huttenlocker, wood mouse by Anne Burges, African clawed frog by Tim Vickers. Usage Restrictions Non-commercial usage with credit. 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.