EL NIÑO

Marine iguana (Amblyrhynchus cristatus) feeding in deep water to find algae, off the coast of Fernandina island on Galapagos. April 2016. Much of the algae on coast and at shallower depths have been killed by unusually warm El Nino weather.

Survival of the Smallest

By Roy Mangersnes

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June 13, 2017

When El Niño hits the Galápagos Islands, marine iguanas struggle to find enough food—then they undergo a remarkable transformation.