Galápagos tortoise
The Galápagos tortoise ("Chelonoidis nigra") and the Aldabra giant tortoise ("Aldabrachelys gigantea") are considered the largest truly terrestrial reptiles alive today. While the Aldabra tortoise averages larger at , the more variable-sized Galapagos tortoise can reach a greater maximum size of and in total length. A much larger tortoise survived until about 2000 years ago, the Australasian "Meiolania" at about long and a weight of over 1 tonne. The tortoise "Colossochelys atlas", of the Pleistocene era from what is now Pakistan and India, was even larger, at nearly and 2 tonnes.