PigmentationColorFeathersChromatophoresPredatory BehaviorBeakCichlidsCephalopodaSkin PigmentationCarotenoidsAnimal CommunicationSepiaSongbirdsMating Preference, AnimalPasseriformesPoeciliaMelaninsPigments, BiologicalSexual Behavior, AnimalSwallowsBirdsSex CharacteristicsOptical PhenomenaBiological EvolutionHair ColorAnthocyaninsSulfadimethoxineLizardsNesting BehaviorAmphibian VenomsButterfliesAfrica, EasternGalliformesSpidersOpsinsAdaptation, BiologicalTerritorialityIsosporaEgg ShellColor PerceptionAmazonaReceptor, Melanocortin, Type 1FinchesPuerariaSelection, GeneticSmegmamorphaColor VisionFalconiformesHeteropteraPerciformesMefenamic AcidAgouti Signaling ProteinMurinaeEnvironmentOdonataAdaptation, PhysiologicalPanamaLakesSpecies SpecificityPhylogenyMoltingHeredityInsectsWingSkin Physiological PhenomenaOptics and PhotonicsPhenotypeFeeding BehaviorChalconeGenetic PleiotropyBody SizePowder DiffractionCatechol OxidaseMothsPlant StructuresLepidopteraVisual PerceptionLuteinBombyxOvumSpectrum AnalysisFish ProteinsAnuraFishesFresh WaterReproductionEcosystemGenetic SpeciationFruitBehavior, AnimalColorimetryUltraviolet RaysGenetic VariationInheritance PatternsGeographySpectrophotometryContrast SensitivityGenitalia, FemaleEvolution, MolecularPattern Recognition, Visual