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.
Podocnemis unifilis These side-necked turtles don’t pull their head straight into their shell. Instead, they curve their neck and tuck it between their front…
