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2021
Oosthuizen, WC, Reisinger, RR, Bester, MN, Steinhage, D, Auel, H, Flores, H, Knust, R, Ryan, S, Bornemann, H. 2021. Spatial modelling of pack-ice seal density in the southern Weddell Sea, Antarctica. Marine Ecology Progress Series 673: 211–227
Oosthuizen, WC, Péron, G, Pradel, R, Bester, MN, de Bruyn, PJN. 2021. Positive early-late life-history trait correlations in elephant seals. Ecology 102:e03288
de Kock, L*, Oosthuizen, WC*, Beltran, RS, Bester, MN, de Bruyn, PJN. 2021. Determinants of moult haulout phenology and duration in southern elephant seals. Scientific Reports 11:13331.
Jordaan, RK, Reisinger RR, Oosthuizen, WC, de Bruyn, PJN 2021. Seasonal fission and fusion of killer whale, Orcinus orca, social structure at sub-Antarctic Marion Island. Animal Behaviour 177: 223-230
2020
Oosthuizen, WC, Krüger, L, Jouanneau, W, Lowther, AD. 2020. Unmanned aerial vehicle (UAV) survey of the Antarctic shag (Leucocarbo bransfieldensis) breeding colony at Harmony Point, Nelson Island, South Shetland Islands. Polar Biology 43:187-191
Vargas-Fonseca, OA, Kirkman, SP, Oosthuizen, WC, Bouveroux, T, Cockcroft, V, Conry, DS, Pistorius, PA. 2020. Abundance of Indo-Pacific bottlenose dolphins (Tursiops aduncus) along the south coast of South Africa. PLoS ONE 15:e0227085
Jordaan, RK, Oosthuizen, WC, Reisinger, RR, de Bruyn, PJN. 2020. Abundance, survival and population growth of killer whales Orcinus orca at subantarctic Marion Island. Wildlife Biology doi: 102981/wlb00732
Walters, A, Hindell, M, Goebel, ME, Bester, MN, Trathan, PN, Oosthuizen, WC, Lea, MA. 2020. Southern Ocean isoscapes derived from a wide-ranging circumpolar marine predator, the Antarctic fur seal. Ecological Indicators 118: 106694
Lloyd, KJ, Oosthuizen, WC, Bester, MN, de Bruyn, PJN. 2020. Trade-offs between age-related breeding improvement and survival senescence in highly polygynous elephant seals: dominant males always do better. Journal of Animal Ecology 89: 897-909
Lloyd, KJ, Oosthuizen, WC, Fay, R, Bester, MN, de Bruyn, PJN. 2020. Selective disappearance of frail juveniles: consequences for understanding social dominance in adult male elephant seals. Oikos 129: 1566–1578
Bester, MN, Wege, M, Oosthuizen, WC, Bornemann, H. 2020. Ross seals in the Weddell Sea: fact and fallacy. Polar Biology 43: 35-41
2019
Oosthuizen, WC, Postma, M, Altwegg, R, Nevoux, M, Pradel, R, Bester, MN, de Bruyn, PJN. 2019. Individual heterogeneity in life-history trade-offs with age at first reproduction in capital breeding elephant seals. Population Ecology 61:421-435
Media coverage: Young Author Awards 2020
Nachtsheim, D, Ryan, S, Schröder, M, Jensen, L, Oosthuizen, WC, Bester, MN, Hagen, W, Bornemann, H. 2019. Winter foraging behaviour of Weddell seals (Leptonychotes weddellii) in the southern Weddell Sea. Progress in Oceanography 173: 165-179
du Toit, KH, Mole, MA, Wege, M, Reisinger, RR, Oosthuizen, WC, Shihlomule, YD, Jordaan, RK, van Tonder, A, de Bruyn, PJN. 2019. Anomalous lanugo coat colourations in sub-Antarctic fur seal (Arctocephalus tropicalis) pups born on Marion Island. Polar Biology 42:1053–1057
2018
Oosthuizen, WC, Pradel, R, Bester, MN, de Bruyn, PJN. 2018. Making use of multiple surveys: estimating breeding probability using a multievent-robust design capture-recapture model. Ecology and Evolution 9:836-848
Oosthuizen, WC, Altwegg, R, Nevoux, M, Bester, MN, de Bruyn, PJN. 2018. Phenotypic selection and covariation in the life‐history traits of elephant seals: heavier offspring gain a double selective advantage. Oikos 127: 875-889
2017
Lübcker, N, Reisinger, RR, Oosthuizen, WC, de Bruyn, PJN, van Tonder, A, Pistorius, PA, Bester, MN. 2017. Low trophic level diet of juvenile southern elephant seals Mirounga leonina from Marion Island: a stable isotope investigation using vibrissal regrowths. Marine Ecology Progress Series 577: 237–250
2016
Oosthuizen, WC, de Bruyn, PJN, Wege, M, Bester, MN. 2016. Geographic variation in Subantarctic fur seal pup growth: linkages with environmental variability and population density. Journal of Mammalogy 97: 347-360
Arthur, B, Hindell, M, Bester, MN, Oosthuizen, WC, Wege, M, Lea, MA. 2016. South for the winter? Within-dive foraging effort reveals the trade-offs between divergent foraging strategies in a free-ranging predator. Functional Ecology 30: 1623–1637
Wege, M, Etienne, M-P, Oosthuizen, WC, Reisinger, RR, Bester, MN, de Bruyn, PJN. 2016. Trend changes in sympatric Subantarctic and Antarctic fur seal pup populations at Marion Island, Southern Ocean. Marine Mammal Science 32: 960-982
2015
Oosthuizen, WC, Bester, MN, Altwegg, R, McIntyre, T, de Bruyn, PJN. 2015. Decomposing the variance in southern elephant seal weaning mass: partitioning environmental signals and maternal effects. Ecosphere 6: 139
Lowther, AD, Ahonen, H, Hofmeyr, G, Oosthuizen, WC, de Bruyn, PJN, Lydersen, C, Kovacs, KM. 2015. Reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with time depth recorder data. Marine Ecology Progress Series 538: 249–256
Arthur, B, Hindell, M, Bester, MN, Trathan, P, Jonsen, I, Staniland, I, Oosthuizen, WC, Wege, M, Lea, MA. 2015. Return customers: foraging site fidelity and the effect of environmental variability in wide-ranging Antarctic fur seals. PLoS ONE 10: e0120888
2014
Reisinger, RR, Oosthuizen, WC, Péron, G, Cory Toussaint, D, Andrews, RD, de Bruyn, PJN. 2014. Satellite tagging and biopsy sampling of killer whales at Subantarctic Marion Island: Effectiveness, immediate reactions and long-term responses. PLoS ONE 9: e111835
2012
Oosthuizen, WC, de Bruyn, PJN, Bester, MN. 2012. Unmarked individuals in mark-recapture studies: comparisons of marked and unmarked southern elephant seals at Marion Island. Austral Ecology 37:556-568
2011
Oosthuizen, WC, Bester, MN, Tosh, CA, Guinet, C, Besson, D, de Bruyn, PJN. 2011. Dispersal and dispersion of southern elephant seals in the Kerguelen Province, Southern Ocean. Antarctic Science 23: 567-577
Bester, MN, de Bruyn, PJN, Oosthuizen, WC, Tosh, CA, McIntyre, T, Reisinger, RR, Postma, M, van der Merwe, DS, Wege, M. 2011. The Marine Mammal Programme at the Prince Edward Islands: 38 years of research. African Journal of Marine Science 33: 511-521
Reisinger, RR, de Bruyn, PJN, Tosh, CA, Oosthuizen, WC, Mufanadzo, NT, Bester, MN. 2011. Prey and seasonal abundance of killer whales at sub-Antarctic Marion Island. African Journal of Marine Science 33: 99-105
2010
Oosthuizen, WC, de Bruyn, PJN, Bester, MN, Girondot, M. 2010. Cohort and tag-site-specific tag-loss rates in mark–recapture studies: A southern elephant seal cautionary case. Marine Mammal Science 26: 350-369
de Bruyn, PJN, Cameron, EZ, Tosh, CA, Oosthuizen, WC, Reisinger, RR, Mufanadzo, NT, Phalanndwa, MV, Postma, M, Wege, M, van der Merwe, DS, Bester, MN. 2010. Prevalence of allosuckling behaviour in Subantarctic fur seal pups. Mammalian Biology 75: 555-560
2009
Oosthuizen, WC, de Bruyn, PJN. 2009. Isabelline king penguin (Aptenodytes patagonicus) at Marion Island. Marine Ornithology 37: 267-268
Oosthuizen, WC, Dyer, BM, de Bruyn, PJN. 2009. Vagrant birds ashore at the Prince Edward Islands, southern Indian Ocean, from 1987 – 2009. African Journal of Marine Science 31: 445-450
Oosthuizen, WC, Bester, MN, de Bruyn, PJN, Hofmeyr, GJG. 2009 Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean. African Journal of Marine Science 31: 457-462
Oosthuizen, WC, de Bruyn, PJN. 2009. King penguin brooding and defending a sub-Antarctic skua chick. Polar Biology 32:303-305
Oosthuizen, WC, Cross, PC, Bowers, JA, Hay, C, Ebinger, MR, Buss, P, Hofmeyr, M, Cameron, EZ. 2009. Effects of chemical immobilization on survival of African buffalo in the Kruger National Park. Journal of Wildlife Management 73: 149-153
de Bruyn, PJN, Tosh, CA, Oosthuizen, WC, Bester, MN, Arnould, JPY. 2009. Bathymetry and frontal system interactions influence seasonal foraging movements of lactating subantarctic fur seals from Marion Island. Marine Ecology Progress Series 394: 263-276
de Bruyn, PJN, Bester, MN, Carlini, AR, Oosthuizen, WC. 2009. How to weigh an elephant seal with one finger: a simple three-dimensional photogrammetric application. Aquatic Biology 5: 31-39
2008
de Bruyn, PJN, Tosh, CA, Oosthuizen, WC, Phalanndwa, MV, Bester MN. 2008. Temporary marking of unweaned southern elephant seal (Mirounga leonina L) pups. South African Journal of Wildlife Research 38: 133-137