Diet of the south polar skua Catharacta maccormicki and the brown skua C. antarctica lonnbergi at Cierva Point, Antarctic Peninsula

• Language: unknown
• Published: 2008
• Subjects: Antarctic Peninsula; Brown skua; Diet composition; South polar skua; Sympatric breeding; Trophic niche breadth; Trophic niche overlap; breeding population; breeding season; diet; food intake; niche breadth; niche overlap; niche partitioning; seabird; sympatry; trophic status; Antarctica; Cierva Point; West Antarctica; Aves; Catharacta; Catharacta maccormicki; Spheniscidae; Antarctic; Cierva; Antarc*; Brown Skua; South Polar Skuas
• Online Access: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07224060_v31_n7_p827_Malzof; https://hdl.handle.net/20.500.12110/paper_07224060_v31_n7_p827_Malzof

South polar skuas, SPS, (Catharacta maccormicki) and brown skuas, BS, (C. antarctica lonnbergi) are regarded as opportunistic predators. When breeding in sympatry, BS feed mainly on penguin eggs and chicks, while SPS forage almost exclusively at sea. The objective of this study was to determine the...