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Native only to the slopes of Wolf Volcano on the Galapagos' Isabela Island, the iguana is considered critically endangered and just several hundred are left, according to estimates.

There was no immediate danger to populated areas, which are on the opposite side of Isabela island, the largest in the Galapagos chain.

There was no immediate danger to populated areas, which are located at the opposite side of Isabela island, the largest in the Galapagos chain.

The expedition, comprised of 45 members, was working near the 5,600-foot high volcano on Isabela island when they made the discovery.

The 45-member expedition was working around the Wolf volcano on Isabela island.