68. Duhamel G, Koubbi P, Ravier C (2000) Day and night mesopelagic assemblages off the Kerguelen Islands (Southern Ocean). Polar Biology 23: 106–112. 69. Robison BH (2003) What drives the diel vertical migrations of Antarctic midwater fish? Journal of the Marine Biological Association of the United Kingdom 83: 639–642. 70. Williams R (1988) The nearshore fishes of Macquarie Island. Papers and Proceedings of the Royal Society of Tasmania 122: 233–245. 71. Brown RGB, Bourne WRP, Wahl TR (1978) Diving by shearwaters. The Condor 80: 123–125. 72. Harper PC (1987) Feeding behaviour and other notes on 20 species of procellariiformes at sea. Notornis 34: 169–192. 73. Hodges CL, Woehler EJ (1994) Associations between seabirds and cetaceans in the Australian sector of the Southern Indian Ocean. Marine Ornithology 22: 205–212. 74. Weimerskirch H, Sagar PM (1996) Diving depths of Sooty Shearwaters Puffinus griseus. Ibis 138: 786–788. 75. Taylor GA (2008) Maximum dive depths of eight New Zealand procellar- iiformes, including Pterodroma species. Papers and Proceedings of the Royal Society of Tasmania 142: 89–97. 76. Hunt BPV, Hosie GW (2005) Zonal structure of zooplankton communities in the Southern Ocean south of Australia: results from a 2150km continuous plankton recorder transect. Deep-Sea Research I 52: 1241–1271. 77. McLeod DJ, Hosie GW, Kitchener JA, Takahashi KT, Hunt BPV (in press) Zooplankton atlas of the Southern Ocean: The SCAR SO-CPR Survey (1991– 2008) Polar Science doi: 10.1016/j.polar.2010.03.004. 78. Nicholls DG, Stampton P, Klomp NI, Schultz M (1998) Post-breeding flight to Antarctic waters by a short-tailed shearwater Puffinus tenuirostris. Emu 98: 79–82. 79. Connan M, Cherel Y, Mayzaud P (2007) Lipids from stomach oil of procellariiform seabirds document the importance of myctophid fish in the Southern Ocean. Limnology and Oceanography 52: 2445–2455. 80. Kerry KR, Horne RSC, Dorward DF (1983) Records of the short-tailed shearwater Puffinus tenuirostris in Antarctic waters. Emu 83: 35–37. 81. Veit RR, Hunt GL (1991) Broadscale density and aggregation of pelagic birds from a circumnavigational survey of the Antarctic Ocean. The Auk 108: 790–800. 82. Rose´n M, Hedenstro¨m A (2001) Testing predictions from flight mechanical theory: a case study of Cory’s shearwater and Audouin’s gull. Acta Ethologica 3: 135–140. 83. Robertson JS (1957) Migrating shearwaters. Emu 57: 191–197. 84. Blomqvist S, Peterz M (1984) Cyclones and pelagic seabird movements. Marine Ecology Progress Series 20: 85–92. 85. So¨hle IS (2003) Effects of satellite telemetry on sooty shearwater, Puffinus griseus, adults and chicks. Emu 103: 373–379. 86. Igual JM, Forero MG, Tavecchia G, Gonza´lez-Sol´ıs J, Mart´ınez-Abra´ın A, et al. (2005) Short-term effects of data-loggers on Cory’s shearwater (Calonectris diomedea). Marine Biology 146: 619–624. 87. Bost CA, Cotte´ C, Bailleul F, Cherel Y, Charrassin JB, et al. (2009) The importance of oceanographic fronts to marine birds and mammals of the southern oceans. Journal of Marine Systems 78: 363–376. 88. Parslow JS, Boyd PW, Rintoul SR, Griffiths FB (2001) A persistent subsurface chlorophyll maximum in the Interpolar Frontal Zone south of Australia: Seasonal progression and implications for phytoplankton-light-nutrient inter- actions. Journal of Geophysical Research 106: C31543–C31557. 89. Yamaguchi Y, Shibata Y (1982) Standing stock and distribution of phytoplankton chlorophyll in the Southern Ocean south of Australia. Transactions of the Tokyo University of Fisheries 5: 111–128. Shearwater Foraging 90. Clarke RH, Schulz M (2005) Land-based observations of seabirds off sub- Antarctic Macquarie Island during 2002 and 2003. Marine Ornithology 33: 7–17. 91. Weimerskirch H (2007) Are seabirds foraging for unpredictable resources? Deep-Sea Research Part II: Topical Studies in Oceanography 54: 211–223. 92. Bradshaw CJA, Hindell MA, Sumner MD, Michael KJ (2004) Loyalty pays: potential life history consequences of fidelity to marine foraging regions by southern elephant seals. Animal Behaviour 68: 1349–1360. 93. Staniland IJ, Boyd IL, Reid K (2007) An energy–distance trade-off in a central- place forager, the Antarctic fur seal (Arctocephalus gazella). Marine Biology 152: 233–241. 94. Hamer KC, Phillips RA, Hill JK, Wanless S, Wood AG (2001) Contrasting foraging strategies of gannets Morus bassanus at two North Atlantic colonies: foraging trip duration and foraging area fidelity. Marine Ecology Progress Series 224: 283–290. 95. Charrassin J-B, Hindell M, Rintoul SR, Roquet F, Sokolov S, et al. (2008) Southern Ocean frontal structure and sea-ice formation rates revealed by elephant seals. Proceedings of the National Academy of Sciences 105: 11634–11639. 96. Terauds A, Gales R, Baker GB, Alderman R (2006) Foraging areas of black- browed and grey-headed albatrosses breeding on Macquarie Island in relation to marine protected areas. Aquatic Conservation: Marine and Freshwater Ecosystems 16: 133–146. 97. Waugh SM, Weimerskirch H, Cherel Y, Shankar U, Prince PA, et al. (1999) Exploitation of the marine environment by two sympatric albatrosses in the Pacific Southern Ocean. Marine Ecology Progress Series 177: 243–254. 98. Weimerskirch H, Robertson G (1994) Satellite tracking of light-mantled sooty albatrosses. Polar Biology 14: 123–126. 99. Wienecke B, Robertson G (2006) Comparison of foraging strategies of incubating king penguins Aptenodytes patagonicus from Macquarie and Heard islands. Polar Biology 29: 424–438. 100. Phillips KL, Jackson GD, Nichols PD (2001) Predation on myctophids by the squid Moroteuthis ingens around Macquarie and Heard Islands: stomach contents and fatty acid analyses. Marine Ecology Progress Series 215: 179–189. 101. Einoder LD (2009) A review of the use of seabirds as indicators in fisheries and ecosystem management. Fisheries Research 95: 6–13. 102. Diamond AW, Devlin CM (2003) Seabirds as indicators of changes in marine ecosystems: ecological monitoring on Machias Seal Island. Environmental Monitoring and Assessment 88: 153–175. 103. Agnew DJ (1997) The CCAMLR ecosystem monitoring programme. Antarctic Science 9: 235–242. 104. Cairns DK (1992) Bridging the gap between ornithology and fisheries science: use of seabird data in stock assessment models. The Condor 94: 811–824. 105. Reid K, Croxall JP, Briggs DR, Murphy EJ (2005) Antarctic ecosystem monitoring: quantifying the response of ecosystem indicators to variability in Antarctic krill. ICES Journal of Marine Science 62: 366–373. 106. Baduini CL, Hyrenbach KD, Coyle KO, Pinchuk A, Mendenhall V, et al. (2001) Mass mortality of short-tailed shearwaters in the south-eastern Bering Sea during summer 1997. Fisheries Oceanography 10: 117–130. 107. Veit RR, McGowan JA, Ainley DG, Wahl TR, Pyle P (1997) Apex marine predator declines ninety percent in association with changing oceanic climate. Global Change Biology 3: 23–28. 108. Frederiksen M, Mavor RA, Wanless S (2007) Seabirds as environmental indicators: the advantages of combining data sets. Marine Ecology Progress Series 352: 205–211. 109. Oka N, Maruyama N, Skira I (1987) Chick growth and mortality of short-tailed shearwaters in comparison with sooty shearwaters, as a possible index of fluctuations of Australian krill abundance. Proceedings of the National Institute of Polar Research Symposium on Polar Biology 1: 166–174. PLoS ONE | www.plosone.org 14 June 2010 | Volume 5 | Issue 6 | e10960