(Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ...

• Main Authors: Hahn, Steffen, Reinhardt, Klaus, Ritz, Markus S, Janicke, Tim, Montalti, Diego, Peter, Hans-Ulrich
• Format: Dataset
• Language: English
• Published: PANGAEA 2007
• Subjects: Time coverage; Species; Species, common name; Egg volume; Sample amount, subset; Eggs, clutch asymmetry; Comment; Date; Number of fledglings per nest; Biological sample; Calculated according to Catry & Furness 1997; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158; Antarctic; Arctic; Furness; King George Island; Antarc*; Antarctica; Brown Skua; Catharacta maccormicki; Sea ice; South Polar Skuas; Stercorarius maccormicki
• Online Access: https://dx.doi.org/10.1594/pangaea.848021; https://doi.pangaea.de/10.1594/PANGAEA.848021

We studied how environmental conditions affect reproduction in sympatric skua species that differ in their reliance on marine resources: the exclusively marine foraging south polar skua Catharacta maccormicki, the terrestrially foraging brown skua C. antarctica lonnbergi and mixed species pairs with...