Carbon d13C Isotopic Marker Values Correlate with Carotenoid-Based Bill Colouration in Adult Yellow-Legged Gulls Larus michahellis

• Published in: Ardeola
• Main Authors: Zorrozua, Nere, Alonso-Álvarez, Carlos, Díaz, Beñat, Sanpera, Carola, Jover, Lluís, Arizaga, Juan
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: BioOne 2020
• Subjects: Carotenoid-based coloration; Individual quality; Seabirds; Stable isotopes; Trophicecology; Arizaga; Diaz; Avian Studies
• Online Access: http://hdl.handle.net/10261/236878; https://doi.org/10.13157/arla.67.2.2020.ra6

[EN] The carotenoid-based colouration that many birds present may honestly reflect the quality of the bearer, as carotenoids have to be obtained through diet. These pigments are important for many physiological functions and individuals could find a trade-off between the allocation of carotenoids fo...