An example of island gigantism, they are the largest of the five species of chuckwalla and are considered the most endangered. Once, they were introduced to other islands as a potential food source, but those populations did not survive. They are currently only found on the island of San Esteban.
Iguana iguana While important to their native habitats, green iguanas can be harmful when introduced to new places. With no competition or natural predators,…