Land iguanas are endemic to the Galapagos Islands off the coast of Ecuador (4). Conolophus subcristatus is native to six islands (2). In 1835 when Charles Darwin first went to the Galapagos, land iguanas were extremely numerous; he wrote: “I cannot give a more forcible proof of their number, then by stating that when we were left at Santiago Island, we could not for some time find a spot free from their burrows on which to pitch our single tent”. Sadly, this once thriving Santiago Island population has become completely extinct (6).
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