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Fig. 3 | Frontiers in Zoology

Fig. 3

From: A pilot study to estimate the population size of endangered Galápagos marine iguanas using drones

Fig. 3

Graphic showing comparisons of methods used against marine iguana abundance. A Bar plot comparing the marine iguana abundance (number of individuals estimated/counted) among the three sampling methods used for all sites sampled; B Box plot comparing the numbers of marine iguanas counted (as percentages) during surveys using aerial and simple counts approaches as compared to estimates gained using the capture mark-resight (CMR) method

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