The Aruba rattlesnake (Crotalus unicolor) is endemic to the island of Aruba, which means that this species is found nowhere else in the world.

In this nature conservation project the emphasis is on protecting the beaded lizard. But other species of lizards, such as the black iguana, also benefit from this project due to habitat protection.

The hellbender is a very large salamander and one of the largest amphibians in the world. Much of its habitat is threatened by the increasing population of the United States.

The Roatan spiny tailed iguana (Ctenosaura oedirhina) is currently rapidly declining in numbers. The loss of natural habitat on the Honduran island of Roatan is a major problem.

The Jamaican Rock Iguana (Cyclura collei) is probably the most endangered lizard species in the world with a population size of several dozen.

Grand Cayman blue iguanas (Cyclura lewisi) are one of the most endangered reptiles in the world with an estimated population of less than 100 in the wild at the start of this massive project.