Trophic interactions between brown and south polar skuas at Deception Island, Antarctica

• Published in: Polar Biology
• Main Authors: Graña Grilli, Maricel, Montalti, Diego
• Format: Article in Journal/Newspaper
• Language: English
• Published: Springer
• Subjects: Diet Composition; Niche Breadth; Niche Overlap; South Shetland Islands; Stercorarius; https://purl.org/becyt/ford/1.6; https://purl.org/becyt/ford/1; Austral; Argentino; Argentina; Deception Island; Antarc*; Antarctica; antarcticus; Brown Skua; Dirección Nacional del Antártico; Instituto Antártico Argentino; Polar Biology; South Polar Skuas; Stercorarius antarcticus
• Online Access: http://hdl.handle.net/11336/75979

It is broadly accepted that the brown skua (Stercorarius antarcticus lonnbergi) competitively excludes the south polar skua (S. maccormicki) from penguin colonies when breeding sympatrically, forcing the latter to feed on marine resources. The purpose of this work was to examine the diets and trophi...