Cane toad (IMAGE) Florida Museum of Natural History Caption Growing up to six inches in length, cane toads are one of the largest frog species, which made them the perfect specimen to observe the rapid and minute movements they make when eating. Credit Rachel Keeffe Usage Restrictions Credit must be given to the creator. License CC BY 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.