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A pink common iguana mintage inhabit near a volcano on the Galápagos Islands remain hide out from Charles Darwin and others until recently .
Darwin had an excuse : " That Darwin might have missed this form is not surprising , because he stayed in the Galápagos only five week , and he did not visit Volcan Wolf [ vent ] , which to our knowledge is the only place on the archipelago where the pink form occurs , " said lead researcher Gabriele Gentile of the University Tor Vergata in Rome , Italy . " What is surprising is that several other scientist visited in the last century Volcan Wolf and escape this form . "
Gabriele Gentile (shown here) and his colleagues collected blood samples from pink iguanas on Volcan Wolf volcano (backdrop of image) in 2005 and 2006.
The pink iguana , which may reach a length of more than 3 feet ( more than 1 cadence ) , dwell exclusively along that volcano on the island of Isabela .
More than 100 years after Darwin ’s sojourn , in 1986 , Galápagos National Park ranger stumbled upon the pink iguana , but the sighting garner niggling attention until now .
" We are the first to document the world of this form and recognise this form as a new species , " Gentile say of his inquiry that will be detailed this week in the journalProceedings of the National Academy of Sciences .
The Galápagos Islands ( squall an archipelago ) are located off the westerly sea-coast of South America in the Pacific Ocean . There , creature mintage were able to evolve sequester from other mainland animate being , leaving a legacy ofoddball charactersfrom gargantuan tortoise to tropic penguins .
Gentile and his workfellow analyse deoxyribonucleic acid from profligate collected from 36 of the pinkish iguanas . The genetic chronological sequence of the pink reptilian were much unlike than those of the island ’s yellow land iguanas , Conolophus pallidusandConolophus subcristatus . The genetic result suggest the pinkish iguanas diverged from the yellow ones about 5.7 million age ago .
" This case is one of the oldest event of diversification among species in the Galápagos overall , " Gentile toldLiveScience . " The Darwin finches are thought to have secernate by and by than the split between the pink and yellow Iguana iguana lineages . "
The researchers think the iguana species can mate with one another to produce executable babies , though they suggest the pink - yellow pairing is rare as they found just one yellow common iguana with genetic stuff pointing to a pink grandpa .
