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  • Nests of Light-mantled Albatrosses (Phoebetria palpebrata) throughout a study area on Bird Island have been monitored annually since 2000, with surveys in November, January and May. The number of nests, eggs and chicks are counted and from this, yearly breeding success is calculated.

  • Fur Seal (Arctocephalus gazella) diet has been monitored at Bird Island since 1989. Scats are collected regularly and krill carapaces, fish otoliths and squid beaks extracted. Krill length is calculated from the extracted carapaces whilst squid beaks and fish otoliths are measured and identified to species where possible. This dataset comprises raw and processed krill length as well as squid beak and otolith measurements and identification to species where appropriate.

  • The weights of chicks in monitored nests of Black-browed Albatrosses are measured at 80 and 108 days after hatching (prior to 2006, weights at 85 and 90 days were also taken). Similarly the weights of Grey-headed Albatross chicks are measured at 100 and 131 days after hatching (prior to 2006, weights at 90 and 95 days were also taken). Data exist since 1989.

  • During several austral summers covering a 13 year period, we collected a random sample of body feathers from chicks of 11 sympatric species of Procellariiform (wandering albatross Diomedea exulans -79 individuals in total-, black-browed albatross Thalassarche melanophris - 51-, grey-headed albatross T. chrysostoma - 58 -, light-mantled sooty albatross Phoebetria palpebrata - 34 -, northern giant petrel Macronectes halli - 59 -, southern giant petrel M. giganteus - 60 -, white-chinned petrel Procellaria aequinoctialis - 39 -, blue petrel Halobaena caerulea - 19 - , Antarctic prion Pachyptila desolata - 19 -, South Georgian diving petrel Pelecanoides georgicus - 2 - and common diving petrel P. urinatrix - 6 -) to analyse Delta15N and Delta13C.

  • Platform Transmitting Terminal (PTT) tags were used to track Antarctic Fur Seals (Arctocephalus gazella) from Bird Island, South Georgia, 1995-2010. PTT tags use the ARGOS satellite system to collect geospatial data. Tags were deployed on breeding females during the summer, to provide information on where the seals are foraging during lactation and into the winter months.

  • Incidences of Antarctic Fur Seals entangled in man-made debris have been recorded at Bird Island since 1988. The majority of entanglements have been Antarctic Fur Seals caught in plastic packaging bands, synthetic line and fishing nets. Where possible these are removed by scientists working at the research base. This data is collected as part of the Commission for the Conservation of Antarctic Marine Living Resources's Ecosystem Monitoring Program (CEMP).

  • Since 1978, female Antarctic Fur Seal foraging trip duration has been monitored on Bird Island, South Georgia. Each year 20 female Fur Seals are tagged with a VHF transmitter. Disruptions to the transmitter's signal indicate the seal is at sea and thus foraging trip time can be calculated. Data is available for individual seals as well as average, minimum and maximum trip times for each season. This data is collected as part of the Commission for the Conservation of Antarctic Marine Living Resources's Marine Debris Programme (CCAMLR CEMP).

  • The diets of Grey-headed Albatross (Thalassarche chrysostoma) and Black-browed Albatross (Diomedea melanophris) have been monitored on Bird Island since 1986. This dataset comprises data on composition of diet samples (crustaceans, cephalopod and fish) and measurements of krill carapaces, fish otoliths and squid beaks found in the samples. These measurements are used to estimate the length and weight of krill, fish and squid that have been consumed.

  • The diets of Macaroni Penguin (Eudyptes chrysolophus) and Gentoo Penguin (Pygoscelis papua) have been monitored on Bird Island since 1989. This dataset comprises data on composition of diet samples (Crustaceans, Cephalopod and fish) and measurements of krill carapaces, fish otoliths and squid beaks found in the samples. These measurements are used to estimate the length and weight of krill, fish and squid that have been consumed.

  • The populations of Northern (Macronectes halli) and Southern Giant Petrel (Macronectes giganteus) in defined study areas on Bird Island have been monitored since 2000 and counts of colonies are carried out annually. The total number of breeding pairs of each species, and of mixed pairs (male Northern Giant Petrel x female Southern Giant Petrel), and the number of egg and chick failures are recorded. This allows calculation of hatching, fledging and overall breeding success. The number of chicks which are ringed and their subsequent survival is also recorded.