Intraspecific trophic variation during the early chick-rearing period in Magellanic penguins Spheniscus magellanicus: Influence of age and colony location

• Published in: Marine Biology
• Main Authors: Dodino, Samanta Graciela, Riccialdelli, Luciana, Polito, Michael J., Pütz, Klemens, Raya Rey, Andrea Nélida
• Format: Article in Journal/Newspaper
• Language: English
• Published: Springer
• Subjects: INTRASPECIFIC COMPETITION; SEABIRDS; SOUTHERN OCEAN; STABLE ISOTOPES; TROPHIC NICHE; https://purl.org/becyt/ford/1.6; https://purl.org/becyt/ford/1; Argentina; Austral; Martillo; Southern Ocean; Tierra del Fuego
• Online Access: http://hdl.handle.net/11336/210306

Intraspecific competition for food resources has the potential to be high for central-place foragers such as penguins and can result in spatial and dietary foraging niche segregation among individuals of the same species. We sampled adults, chicks, and juvenile individuals’ whole blood from three co...