Fig. 4From: A pilot study to estimate the population size of endangered Galápagos marine iguanas using dronesCharacteristic images of the terrain for each colony surveyed for marine iguanas on the Galápagos islands (Ecuador) in January 2021. A La Lobería and B Playa Blanca (Punta Pitt): San Cristóbal Island; C El Miedo: Santa Fé Island, and D Gardner Islet: Española Island. Photographs: Andrea VarelaBack to article page