A black spiny-tailed iguana basking in the mexican sun. These are the world’s fastest lizards, with a max speed of 34.6 km/h or 21.7mph. As more of their natural habitat is destroyed, the iguana populations continue to decline. Although black spiny-tailed iguanas are not considered endangered, there are several other iguana species that are endangered. Such asContinueContinue reading “The Black Spiny-Tailed Iguana”