EcuadorIguanasBeakBiodiversityIslandsConservation of Natural ResourcesCpG IslandsEcosystemHawksGeographyExtinction, BiologicalPopulation DynamicsTurtlesRhode IslandIndian Ocean IslandsEcologyPacific IslandsPhylogenyGenetic SpeciationFinchesGenetic VariationTreesBirdsPopulation DensitySea LionsGene FlowTropical ClimateSpecies Specificity