J. Ackerman, C. Eagles-smith, and M. Herzog, Bird Mercury Concentrations Change Rapidly as Chicks Age: Toxicological Risk is Highest at Hatching and Fledging, Environmental Science & Technology, vol.45, issue.12, pp.5418-5443, 2011.
DOI : 10.1021/es200647g

N. Adams and C. Brown, Energetics of molt in penguins. Penguin biology, p.5, 1990.

H. Alonso, J. Granadeiro, V. Paiva, A. Dias, and J. Ramos, Catry P. Parent?offspring dietary segregation of Cory's shearwaters breeding in contrasting environments

O. Anderson, R. Phillips, R. Mcdonald, R. Shore, R. Mcgill et al., Influence of trophic position and foraging range on mercury levels within a seabird community, Marine Ecology Progress Series, vol.375, pp.277-88, 2009.
DOI : 10.3354/meps07784

G. Ballard, V. Toniolo, D. Ainley, C. Parkinson, K. Arrigo et al., Responding to climate change: Ad??lie Penguins confront astronomical and ocean boundaries, Ecology, vol.17, issue.7, pp.2056-69, 2010.
DOI : 10.1186/1741-7007-7-14

R. Bargagli, F. Monaci, J. Sanchez-hernandez, and D. Cateni, Biomagnification of mercury in an Antarctic marine coastal food web, Marine Ecology Progress Series, vol.169, pp.65-76, 1998.
DOI : 10.3354/meps169065

S. Bearhop, S. Waldron, D. Thompson, and R. Furness, Bioamplification of Mercury in Great Skua Catharacta skua Chicks: the Influence of Trophic Status as Determined by Stable Isotope Signatures of Blood and Feathers, Marine Pollution Bulletin, vol.40, issue.2, pp.181-186, 2000.
DOI : 10.1016/S0025-326X(99)00205-2

S. Bearhop, R. Phillips, D. Thompson, S. Waldron, and R. Furness, :the influence of colony, diet and trophic status inferred from stable isotope signatures, Marine Ecology Progress Series, vol.195, pp.261-269, 2000.
DOI : 10.3354/meps195261

S. Bearhop, R. Phillips, R. Mcgill, Y. Cherel, D. Dawson et al., Stable isotopes indicate sex-specific and long-term individual foraging specialisation in diving seabirds, Marine Ecology Progress Series, vol.311, pp.157-64, 2006.
DOI : 10.3354/meps311157
URL : https://hal.archives-ouvertes.fr/hal-00182601

P. Becker, R. Furness, and D. Henning, The value of chick feathers to assess spatial and interspecific variation in the mercury contamination of seabirds, Environmental Monitoring and Assessment, vol.21, issue.3, pp.255-62, 1993.
DOI : 10.1007/BF00545769

P. Becker, J. González-solís, B. Behrends, and J. Croxall, Feather mercury levels in seabirds at South Georgia: influence of trophic position, sex and age, Marine Ecology Progress Series, vol.243, pp.261-270, 2002.
DOI : 10.3354/meps243261

P. Blévin, A. Carravieri, A. Jaeger, O. Chastel, P. Bustamante et al., Wide Range of Mercury Contamination in Chicks of Southern Ocean Seabirds, PLoS ONE, vol.14, issue.1, p.54508, 2013.
DOI : 10.1371/journal.pone.0054508.t004

N. Bloom, On the Chemical Form of Mercury in Edible Fish and Marine Invertebrate Tissue, Canadian Journal of Fisheries and Aquatic Sciences, vol.49, issue.5, pp.1010-1017, 1992.
DOI : 10.1139/f92-113

P. Bocher, F. Caurant, P. Miramand, Y. Cherel, and P. Bustamante, Influence of the diet on the bioaccumulation of heavy metals in zooplankton-eating petrels at Kerguelen archipelago, Southern Indian Ocean, Polar Biology, vol.26, issue.12, pp.759-67, 2003.
DOI : 10.1007/s00300-003-0552-6
URL : https://hal.archives-ouvertes.fr/hal-00189325

A. Bond, Relationships between stable isotopes and metal contaminants in feathers are spurious and biologically uninformative, Environmental Pollution, vol.158, issue.5, pp.1182-1186, 2010.
DOI : 10.1016/j.envpol.2010.01.004

A. Bond and A. Diamond, Mercury concentrations in seabird tissues from Machias Seal Island, New Brunswick, Canada, Science of The Total Environment, vol.407, issue.14, pp.4340-4347, 2009.
DOI : 10.1016/j.scitotenv.2009.04.018

C. Bost and P. Jouventin, Evolutionary ecology of gentoo penguins (Pygoscelis papua) Penguin biology, pp.85-112, 1990.

C. Bost, J. Thiebot, D. Pinaud, Y. Cherel, and P. Trathan, Where do penguins go during the inter-breeding period? Using geolocation to track the winter dispersion of the macaroni penguin, Biology Letters, vol.266, issue.Suppl_4, pp.473-479, 2009.
DOI : 10.1098/rsbl.2003.0153
URL : https://hal.archives-ouvertes.fr/hal-00407261

C. Bost, T. Zorn, L. Maho, Y. Duhamel, and G. , Feeding of diving predators and diel vertical migration of prey: King penguin diet versus trawl sampling at Kerguelen Islands, Marine Ecology Progress Series, vol.227, pp.51-61, 2002.
DOI : 10.3354/meps227051

B. Braune and D. Gaskin, Mercury levels in Bonaparte's gulls (Larus Philadelphia) during autumn molt in the Quoddy region, New Brunswick, Canada, Archives of Environmental Contamination and Toxicology, vol.4, issue.suppl 3, pp.539-588, 1987.
DOI : 10.1007/BF01055810

J. Burger, Metals in avian feathers: bioindicators of environmental pollution, Reviews of Environmental Contamination and Toxicology, vol.5, pp.203-311, 1993.

J. Burger and M. Gochfeld, Risk, Mercury Levels, and Birds: Relating Adverse Laboratory Effects to Field Biomonitoring, Environmental Research, vol.75, issue.2, pp.160-72, 1997.
DOI : 10.1006/enrs.1997.3778

J. Burger and M. Gochfeld, Marine Birds as Sentinels of Environmental Pollution, EcoHealth, vol.1, issue.3, pp.263-74, 2004.
DOI : 10.1007/s10393-004-0096-4

K. Burnham and D. Anderson, Model selection and multi-model inference: a practical information-theoretic approach, 2002.

P. Bustamante, P. Bocher, Y. Cherel, P. Miramand, and F. Caurant, Distribution of trace elements in the tissues of benthic and pelagic fish from the Kerguelen Islands, Science of The Total Environment, vol.313, issue.1-3, pp.25-39, 2003.
DOI : 10.1016/S0048-9697(03)00265-1
URL : https://hal.archives-ouvertes.fr/hal-00186633

P. Bustamante, V. Lahaye, C. Durnez, C. Churlaud, and F. Caurant, Total and organic Hg concentrations in cephalopods from the North Eastern Atlantic waters: Influence of geographical origin and feeding ecology, Science of The Total Environment, vol.368, issue.2-3, pp.585-96, 2006.
DOI : 10.1016/j.scitotenv.2006.01.038
URL : https://hal.archives-ouvertes.fr/hal-00179545

F. Ceia, R. Phillips, J. Ramos, Y. Cherel, R. Vieira et al., Short- and long-term consistency in the foraging niche of wandering albatrosses, Marine Biology, vol.84, issue.7, pp.1-11
DOI : 10.1007/s00227-012-1946-1
URL : https://hal.archives-ouvertes.fr/hal-00710989

Y. Cherel, C. Fontaine, P. Richard, and J. Labat, Isotopic niches and trophic levels of myctophid fishes and their predators in the Southern Ocean, Limnology and Oceanography, vol.55, issue.1, p.324, 2010.
DOI : 10.4319/lo.2010.55.1.0324
URL : https://hal.archives-ouvertes.fr/hal-00528576

Y. Cherel, J. Charrassin, and E. Challet, Energy and protein requirements for molt in the king penguin Aptenodytes patagonicus, American Journal of Physiology- Regulatory, Integrative and Comparative Physiology, vol.266, pp.1182-1188, 1994.

Y. Cherel and K. Hobson, Geographical variation in carbon stable isotope signatures of marine predators: a tool to investigate their foraging areas in the Southern Ocean, Marine Ecology Progress Series, vol.329
DOI : 10.3354/meps329281
URL : https://hal.archives-ouvertes.fr/hal-00182469

Y. Cherel, K. Hobson, C. Guinet, and C. Vanpe, Stable isotopes document seasonal changes in trophic niches and winter foraging individual specialization in diving predators from the Southern Ocean, Journal of Animal Ecology, vol.75, issue.44, pp.826-862, 2007.
DOI : 10.1007/s00442-003-1270-z
URL : https://hal.archives-ouvertes.fr/hal-00185936

Y. Cherel, V. Ridoux, and P. Rodhouse, Fish and squid in the diet of king penguin chicks, Aptenodytes patagonicus, during winter at sub-antarctic Crozet Islands, Marine Biology, vol.106, issue.4, pp.559-70, 1996.
DOI : 10.1007/BF00351323

T. Chouvelon, J. Spitz, F. Caurant, P. Mèndez-fernandez, J. Autier et al., Enhanced bioaccumulation of mercury in deep-sea fauna from the Bay of Biscay (north-east Atlantic) in relation to trophic positions identified by analysis of carbon and nitrogen stable isotopes. Deep Sea Research Part I: Oceanographic Research Papers, pp.113-124, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00694521

D. Cossa, L. Heimbürger, D. Lannuzel, S. Rintoul, E. Butler et al., Mercury in the Southern Ocean, Geochimica et Cosmochimica Acta, vol.75, issue.14, pp.4037-52, 2011.
DOI : 10.1016/j.gca.2011.05.001

A. Dänhardt, T. Fresemann, and P. Becker, To eat or to feed? Prey utilization of Common Terns Sterna hirundo in the Wadden Sea, Journal of Ornithology, vol.5, issue.Supplement 2, pp.347-57, 2011.
DOI : 10.1007/s10336-010-0590-0

R. Ebinghaus, H. Kock, C. Temme, J. Einax, A. Löwe et al., Antarctic Springtime Depletion of Atmospheric Mercury, Environmental Science & Technology, vol.36, issue.6, pp.1238-1282, 2002.
DOI : 10.1021/es015710z

W. Fitzgerald, D. Engstrom, R. Mason, and E. Nater, The Case for Atmospheric Mercury Contamination in Remote Areas, Environmental Science & Technology, vol.32, issue.1, pp.1-7, 1998.
DOI : 10.1021/es970284w

L. Monteiro, J. Granadeiro, and R. Furness, Relationship between mercury levels and diet in Azores seabirds, Marine Ecology Progress Series, vol.166, pp.259-65, 1998.
DOI : 10.3354/meps166259

F. Morel, A. Kraepiel, and M. Amyot, The chemical cycle and bioaccumulation of mercury. Annual review of ecology and systematics, pp.543-66, 1998.

S. Muirhead and R. Furness, Heavy metal concentrations in the tissues of seabirds from Gough Island, South Atlantic Ocean, Marine Pollution Bulletin, vol.19, issue.6, pp.278-83, 1988.
DOI : 10.1016/0025-326X(88)90599-1

Y. Park and L. Gamberoni, Cross-frontal exchange of Antarctic Intermediate Water and Antarctic Bottom Water in the Crozet Basin, Deep Sea Research Part II: Topical Studies in Oceanography, vol.44, issue.5, pp.963-86, 1997.
DOI : 10.1016/S0967-0645(97)00004-0

R. Ramos, J. González-solís, M. Forero, R. Moreno, E. Gómez-díaz et al., The influence of breeding colony and sex on mercury, selenium and lead levels and carbon and nitrogen stable isotope signatures in summer and winter feathers of Calonectris shearwaters, Oecologia, vol.77, issue.2, pp.345-54, 2009.
DOI : 10.1007/s00442-008-1215-7

R. Scheifler, M. Gauthier-clerc, C. Bohec, N. Crini, M. Cøeurdassier et al., MERCURY CONCENTRATIONS IN KING PENGUIN (APTENODYTES PATAGONICUS) FEATHERS AT CROZET ISLANDS (SUB-ANTARCTIC): TEMPORAL TREND BETWEEN 1966???1974 AND 2000???2001, Environmental Toxicology and Chemistry, vol.24, issue.1, pp.125-133, 1966.
DOI : 10.1897/03-446.1
URL : https://hal.archives-ouvertes.fr/hal-00342445

N. Selin, Global Biogeochemical Cycling of Mercury: A Review, Annual Review of Environment and Resources, vol.34, issue.1, pp.43-63, 2009.
DOI : 10.1146/annurev.environ.051308.084314

F. Stewart, R. Phillips, B. J. Alexander, J. Craig, and D. Shooter, Influence of phylogeny, diet, moult schedule and sex on heavy metal concentrations in New Zealand Procellariiformes, Marine Ecology Progress Series, vol.178, pp.295-305, 1999.
DOI : 10.3354/meps178295

F. Stewart, R. Phillips, P. Catry, and R. Furness, Influence of species, age and diet on mercury concentrations in Shetland seabirds, Marine Ecology Progress Series, vol.151, pp.237-281, 1997.
DOI : 10.3354/meps151237

M. Storelli, G. Barone, G. Piscitelli, and G. Marcotrigiano, . fish size and estimates of mercury intake, Food Additives and Contaminants, vol.64, issue.12, pp.1353-1360, 2007.
DOI : 10.1016/S0048-9697(98)00228-9

. Thiebot, Macaroni penguin Cap Cotter Eastwards off Kerguelen in the Polar Frontal Zone (oceanic; epipelagic) Polar Frontal Zone (oceanic) pelagic crustaceans and fish Cherel et al, 2010.

. Southern-rockhopper-penguin and . Mayes, Morbihan Bay Morbihan Bay (neritic; pelagic and benthic) Subantarctic and Polar Frontal Zones (oceanic; epipelagic) pelagic crustaceans and fish Tremblay and Cherel, 2000.

P. Island and M. Bay, closed sea) Morbihan Bay (coastal; pelagic) Resident all year long pelagic crustaceans Lescroel, 2004.