A marine iguana on Fernandina Island. Credit: Amy MacLeod Nearly 14,000 volunteers took part in the citizen science project Iguanas from Above, helping to count endangered Galapagos marine iguanas through an online survey—and in doing so, contributed to the preservation of this unique lizard species. Every aerial image of the iguana colonies captured by drones was reviewed by at least 20 independent participants—a total of more than 1.3 million inputs, exp