Wild common crossbills produce redder feathers when experimentally forced to increase flying effort

• Main Authors: Cantarero, Alejandro, Fernández-Eslava, Blanca, Alonso, Daniel, Alonso-Álvarez, Carlos
• Format: Conference Object
• Language: unknown
• Published: International Society for Behavioral Ecology 2022
• Subjects: Suecia; Tuvo; Avian Studies
• Online Access: http://hdl.handle.net/10261/283358

Este congreso tuvo lugar en Estocolmo (Suecia) del 28 de julio al 2 de agosto. The animal signaling theory posits that conspicuous colorations exhibited by many animals have evolved as reliable signals of individual quality. Red carotenoid-based ornaments may depend on enzymatic transformations (oxi...