Publications

Glencross JS, Glencross AJ, Grigg JL, Lang SD, Makhado AB, Russell DJF, Upfold L, Brierley AS and Sherley RB. 2025. Spatial overlap may downplay the intensity of interactions between a central-place forager and the local purse-seine fishery. Journal of Applied Ecology. In Press.

Crawford RJM, Sherley RB, Shannon LJ, McInnes AM, Carpenter-Kling T and Makhado AB. 2025. High adult mortality of South Africa’s penguins after 2004 was likely caused by starvation. Ostrich. In Press. DOI: 10.2989/00306525.2025.2568382.

VanCompernolle M, Morris J, Calich HJ, Rodríguez JP, Marley SA, Pearce JR ...  296 co-authors listed alphabetically, including Sherley RB, … Costa DP, Duarte CM, Meekan MG, Harcourt R, Sims DW, Hays GC, Pattiaratchi C, Eguíluz VM and Sequeira AMM. 2025. Vulnerability of marine megafauna to global at-sea anthropogenic threats. Conservation Biology. In Press. DOI: 10.1111/cobi.70147.

Delahay RJ, Hounsome T, Allbrook DL, Bearhop S, Dunning J, Lowden AL, Sherley R, Smith T, Wilkinson G and Trevail AM. 2025. Kittiwakes nesting on offshore oil and gas infrastructure: an emerging and under-recorded phenomenon. Ecological Solutions and Evidence 6: e70117. [LINK]. [PDF].

Atkins KM, Pereira JM, Morgan G, Morgan L, Mitchell C, Bearhop S, Sherley RB and Votier SC. 2025. Gannets wintering in the Canary Current and Iberian Coast feed primarily on pelagic fishes and co-occur with trawl and fixed gear fisheries. Marine Ecology Progress Series 765: 85–100. [LINK].

Pichegru L, Makoala M, Barham BJ, Barham PJ, Dalton D, Ludynia K, Freeman M, Geldenhuys D, Hagen C, Harris G, Kock A, Lawrence C, McGeorge C, McInnes AM, Makhado AB, Malan, T, Masotla MJ, Milne R, Muller H, Purves A, Sherley RB, Stander N, de Villiers P, Visagie J, Wilke C and Waller LJ. 2025. A decade of implementing the Biodiversity Management Plan for African penguins – successes, failures and lessons learnt. Journal for Nature Conservation 86: 126919. [LINK]. [PDF].

Sherley RB, Crawford RJM, McInnes AM, Shannon LJ, Sydeman WJ and Waller LJ. 2025. Rejoinder to: Cochrane, et al., Errors and bias in marine conservation and fisheries literature: Their impact on policies and perceptions [Mar. Policy 168 (2024) 106329]. Marine Policy 172: 106516. [LINK]. [PDF].

Laurenson K, Wood MJ, Birkhead TR, Priestley MDK, Sherley RB, Fayet AL, Guilford T, Hatchwell BJ and Votier SC. 2025. Long-term multi-species demographic studies reveal divergent negative impacts of winter storms on seabird survival. Journal of Animal Ecology 94: 139–153. [LINK]. [PDF].

Pichegru L, Sherley RB, Malan T, Barham BJ, Ludynia K, Geldenhuys D, Amos K, Barham PJ, Drost E, Hahndiek V, Hufke A, Hugo C, Lawrence C, McGeorge C, McInnes AM, Makhado AB, Mashua M, Milne R, Purves A, Slier M, van der Merwe C, van Wilgen NJ and Waller L. 2024. Decades of artificial nests towards African penguin conservation — have they made a difference? Ecological Solutions and Evidence 5: e12388. [LINK]. [PDF].

Sequeria AMM, Bates AE, Hays G, Sims DW, Andrzejaczek S, Audzijonyte A, Baum JK, Beal M, Block B, Cinner J, Cowley K, Gilman E, Gleason A, Harrison A-L, Hudson C, Ishimura G, Jabado RW, Landrum JP, Mangubhai S, McClenachan L, Meagher L, Riginos C, Serrão EA, Sherley RB, Stuart-Smith RD, Wambiji N and Marley SA. 2024. A framework for optimising opportunistic collaborative syntheses to propel ecological conservation. Biological Conservation 298: 110717. [LINK]. [PDF].

McInnes AM, Weideman EA, Carpenter-Kling T, Barham P, Christian M, Day K, Glencross JS, Hagen C, Kock A, Lawrence C, Ludynia K, Makhado A, Pichegru L, Shannon L, Sherley RB, Smith C, Steinfurth A, Stander N, Upfold L and Waller LJ. 2024. Commercial fishery no-take zones for African penguins minimise fisheries losses at the expense of conservation gains. ICES Journal of Marine Science 81: 1632–1646. [LINK]. [PDF].

Sherley RB, Makhado AB, Crawford RJM, Hagen C, Kemper J, Ludynia K, Masotla MJ, McInnes A, Pichegru L, Tom D, Upfold L and Waller LJ. 2024. The African penguin should be considered Critically Endangered. Ostrich 95: 181-187. [LINK]. [PDF].

Kressler MM, Byrnes EE, Trevail AM, White CE, Heim V, Smukall M, Gleiss AC and Sherley RB. 2024. Habitat selection and spatial behaviour of vulnerable juvenile lemon sharks: Implications for conservation. Ecological Indicators 166: 112239. [LINK]. [PDF].

Glencross JS, Jewell A, Grigg JL, McInnes AM, Brierley AS and Sherley RB. 2024. African penguin Spheniscus demersus foraging on juvenile fish in jellyfish tentacles. Seabird 36: 11–23. [LINK]. [PDF].

Sherley RB, Underhill LG and Barham PJ. 2024. Second bibliography of biodiversity research on Robben Island. Biodiversity Observations 14: 44–49. [LINK]. [PDF].

Kuepfer A, Votier SC, Sherley RB, Ventura F, Matias R, Anderson O, Brickle P, Arkhipkin A and Catry P. 2023. Prey-switching to fishery discards does not compensate for poor natural foraging conditions in breeding albatross. ICES Journal of Marine Science 80: 2414–2426. [LINK]. [PDF].

Votier SC, Sherley RB, Scales KL, Camphuysen CJ and Phillips RA. 2023. An overview of the impacts of fishing on seabirds, including identifying future research directions. ICES Journal of Marine Science 80: 2380–2392. [LINK]. [PDF].

Zhang K, Yang M, Lang SDJ, McInnes AM, Sherley RB and Burghardt T. 2023. Diving with Penguins: Detecting Penguins and their Prey in Animal-borne Underwater Videos via Deep Learning. arXiv 2308.07267 (Preprint). [LINK]. [PDF].

Kressler MM, Dall SRX and Sherley RB. 2023. A framework for studying ecological energy in the contemporary marine environment. ICES Journal of Marine Science 80: 1580–1593. [LINK]. [PDF]. Selected as a "Hidden Gem" article.

Kuepfer A, Catry P, Bearhop S, Sherley RB, Bell O, Newton J, Brickle P, Arkhipkin A and Votier SC. 2023. Inter-colony and inter-annual variation in discard use by albatross chicks revealed using isotopes and regurgitates. Marine Biology 170: 46. [LINK]. [PDF].

Soriano-Redondo A, Inger R, Sherley RB, Rees EC, Abadi F, McElwaine G, Colhoun K, Einarsson O, Thorstensen S, Newth J, Brides K, Hodgson DJ and Bearhop S. 2023. Demographic rates reveal the benefit of protected areas in a long-lived migratory bird. Proceedings of the National Academy of Sciences USA 120: e2212035120. [LINK]. [PDF].

Atkins K, Bearhop S, Grecian WJ, Hamer K, Pereira JM, Meinertzhagen H, Mitchell C, Morgan G, Morgan L, Newton J, Sherley RB and Votier S. 2023. Geolocator tracking seabird migration and moult reveal large-scale temperature-driven isoscapes in the NE Atlantic. Rapid Communications in Mass Spectrometry 37: e9489. [LINK]. [PDF].

Vanstreels RET, Parsons NJ, Sherley RB, Stander N, Strauss V, Kemper J, Waller L, Barham BJ and Ludynia K. 2023. Factors determining the number of seabirds impacted by oil spills and the success of their rehabilitation: lessons learned from Namibia and South Africa. Marine Pollution Bulletin 118: 114708. [LINK].

Carr P, Trevail AM, Koldewey HJ, Sherley RB, Wilkinson T, Wood H and Votier SC. 2023. Marine Important Bird and Biodiversity Areas in the Chagos Archipelago. Bird Conservation International 33: e29. [LINK]. [PDF].

Leith F, Grigg JL, Barham BJ, Barham PJ, Ludynia K, McGeorge C, Mdluli A, Parsons NJ, Waller LJ and Sherley RB. 2022. Intercolony variation in reproductive skipping in the African penguin. Ecology and Evolution 12: e9255. [LINK]. [PDF].

Sydeman WJ, Hunt Jr. GL, Pikitch EK, Parrish JK, Piatt JF, Boersma PD, Kaufman L, Anderson DW, Thompson SA and Sherley RB. 2022. African Penguins and Localized Fisheries Management: Response to Butterworth and Ross-Gillespie. ICES Journal of Marine Science 79: 1972–1978. [LINK]. [PDF].

Grigg JL and Sherley RB. 2022. The Decline and Conservation Status of the African Penguin. In: DellaSala D and Goldstein M (Eds.). Imperiled: The Encyclopedia of Conservation. Pp. 8–18. Elsevier. ISBN: 9780128211397. [LINK].

Crawford RJM, Sydeman WJ, Tom DB, Thayer JA, Sherley RB, Shannon LJ, McInnes AM, Makhado AB, Hagen C, Furness RW, Carpenter-Kling T and Saraux C. 2022. Food limitation of seabirds in the Benguela ecosystem and management of their prey base. Namibian Journal of Environment 6(A): 1–13. [LINK]. [PDF].

Kuepfer A, Sherley RB, Brickle P, Arkhipkin A and Votier SC. 2022. Strategic discarding reduces seabird numbers and contact rates with trawl fishery gears in the southwest Atlantic. Biological Conservation 266: 109462. [LINK].

Sydeman WJ, Hunt Jr. GL, Pikitch EK, Parrish JK, Piatt JF, Boersma PD, Kaufman L, Anderson DW, Thompson SA and Sherley RB. 2021. South Africa’s experimental fisheries closures and recovery of the endangered African penguin. ICES Journal of Marine Science 78: 3538–3543. [LINK]. [PDF]. Selected as an "Editor's Choice" article.

Proud R, Le Guen C, Sherley RB, Kato A, Ropert-Coudert Y, Ratcliffe N, Jarman S, Wyness A, Arnould JPY, Saunders RA, Fernandes PG, Boehme L, Brierley AS. 2021. Using predicted patterns of 3D prey distribution to map king penguin foraging habitat. Frontiers in Marine Science 8: 745200 [LINK]. [PDF].

Sherley RB, Barham BJ, Barham PJ, Campbell KJ, Crawford RJM, Grigg J, Horswill C, McInnes A, Morris TL, Pichegru L, Steinfurth A, Weller F, Winker H and Votier SC. 2021. Correction to "Bayesian inference reveals positive but subtle effects of experimental fishery closures on marine predator demographics". Proceedings of the Royal Society B: Biological Sciences 288: 20212129. [LINK]. [PDF].

Scheun J, Miller RJ, Ganswindt A, Waller LJ, Pichegru L, Sherley RB and Maneveldt GW. 2021. Urofaecal glucocorticoid metabolite concentrations in African penguin (Spheniscus demersus) chick populations experiencing different levels of human disturbance. Conservation Physiology 9: coab078. [LINK]. [PDF].

Omeyer LCM, Stokes KL, Beton D, Çiçek BA, Davey S, Fuller WJ, Godley BJ, Sherley RB, Snape RTE and Broderick AC. 2021. Investigating differences in population recovery rates of two sympatric sea turtle species. Animal Conservation 24: 832–846. [LINK]. [PDF].

Sydeman WJ, Schoeman DS, Thompson SA, Hoover BA, García-Reyes M, Daunt F, Agnew P, Anker-Nilssen T, Barbaud C, Barrett R, Becker PH, Bell E, Boersma PD, Bouwhuis S, Cannell B, Crawford RJM, Dann P, Delord K, Elliott G, Erikstad KE, Flint E, Furness RW, Harris MP, Hatch S, Hilwig K, Hinke JT, Jahncke J, Mills JA, Reiertsen TK, Renner H, Sherley RB, Surman C, Taylor G, Thayer JA, Trathan PN, Velarde E, Walker K, Wanless S, Warzybok P and Watanuki Y. 2021. Hemispheric asymmetry in ocean change and the productivity of ecosystem sentinels. Science 372: 980–983. [LINK].

Clark BL, Cox SL, Atkins KM, Bearhop S, Bicknell AWJ, Bodey TW, Cleasby IR, Grecian WJ, Hamer KC, Loveday B, Miller PI, Morgan G, Morgan L, Newton J, Patrick SC, Scales KL, Sherley RB, Vigfúsdóttir F, Wakefield ED and Votier SC. 2021. Sexual segregation of gannet foraging over 11 years: movements vary but isotopic differences remain stable. Marine Ecology Progress Series 661: 1–16. [LINK]. [PDF]. Selected as a "Feature Article".

Pacoureau N, Rigby CL, Kyne PM, Sherley RB, Winker H, Carlson JK, Fordham SV, Barreto R, Fernando D, Francis MP, Jabado RW, Herman KB, Liu K-M, Marshall AD, Pollom RA, Romanov EV, Simpfendorfer CA, Yin JS, Kindsvater HK and Dulvy NK. 2021. Half a century of global decline in oceanic sharks and rays. Nature 589: 567–571. [LINK].

Lane JV, Jeavons R, Deakin Z, Sherley RB, Pollock CJ, Wanless RJ and Hamer KC. 2020. Vulnerability of northern gannets to offshore wind farms; seasonal and sex-specific collision risk and demographic consequences. Marine Environmental Research 162: 105196. [LINK]. [PDF].

Sherley RB, Crawford RJM, de Blocq AD, Dyer BM, Geldenhuys D, Hagen C, Kemper J, Makhado AB, Pichegru L, Tom D, Upfold L, Visagie J, Waller LJ and Winker H. 2020. The conservation status and population decline of the African penguin deconstructed in space and time. Ecology and Evolution 10: 8506–8516. [LINK]. [PDF].

Sherley RB, Winker H, Rigby CL, Kyne P, Pollom R, Pacoureau N, Herman K, Carlson JK, Yin JS, Kindsvater HK and Dulvy NK. 2020. Estimating IUCN Red List population reduction: JARA – a decision-support tool applied to pelagic sharks. Conservation Letters 13: e12688. [LINK]. [PDF].

Cook TR, Martin R, Roberts J, Häkkinen H, Botha P, Meyer C, Sparks E, Underhill LG, Ryan PG and Sherley RB. 2020. Parenting in a warming world: thermoregulatory responses to heat stress in an endangered seabird. Conservation Physiology 8: coz109. [LINK]. [PDF].

Sherley RB, Ladd-Jones H, Garthe S, Stevenson O and Votier SC. 2020. Scavenger communities and fisheries waste: North Sea discards support 3 million seabirds, 2 million fewer than in 1990. Fish and Fisheries 21: 132–145. [LINK]. [PDF].

Le Guen C, Suaria G, Sherley RB, Ryan PG, Aliani S, Boehme L and Brierley AS. 2020. Microplastic study reveals the presence of natural and synthetic fibres in the diet of King Penguins (Aptenodytes patagonicus) foraging from South Georgia. Environment International 134: 105303. [LINK]. [PDF].

Sherley RB, Crawford RJM, Dyer BM, Kemper J, Makhado AB, Masotla M, Pichegru L, Pistorius PA, Roux J-P, Ryan PG, Tom D, Upfold L and Winker H. 2019. The status and conservation of the Cape Gannet Morus capensis. Ostrich 90: 335–346. [LINK]. Featured on the Issue's Front Cover.

Dyer BM, Cooper J, Crawford RJM, Sherley RB, Somhlaba S, Cockcroft A, Upfold L and Makhado AB. 2019. Geographical and temporal variation in the diet of Bank Cormorants Phalacrocorax neglectus in South Africa. Ostrich 90: 373–390. [LINK].

Crawford RJM, Sydeman WJ, Thompson SA, Sherley RB and Makhado AB. 2019. Food habits of an endangered seabird indicate recent poor forage fish availability. ICES Journal of Marine Science 76: 1344–1352. [LINK]. [PDF].

Gianuca D, Votier SC, Pardo D, Wood AG, Sherley RB, Ireland L, Choquet R, Pradel R, Townley S, Forcada J, Tuck GN and Phillips RA. 2019. Sex-specific effects of fisheries and climate on the demography of sexually dimorphic seabirds. Journal of Animal Ecology 88: 1366–1378. [LINK]. [PDF]. Featured on the Issue's Front Cover.

Deakin Z, Hamer K, Sherley RB, Bearhop S, Bodey TW, Clark B, Grecian WJ, Gummery M, Lane J, Morgan G, Morgan L, Phillips RA, Wakefield ED and Votier SC. 2019. Sex differences in migration and demography of a wide-ranging seabird, the northern gannet. Marine Ecology Progress Series 622: 191–201. [LINK]. [PDF].

Campbell KJ, Steinfurth A, Underhill LG, Coetzee JC, Dyer BM, Ludynia K, Makhado AB, Merkle D, Rademan J, Upfold L and Sherley RB. 2019. Local forage fish abundance influences foraging effort and offspring condition in an Endangered marine predator. Journal of Applied Ecology 56: 1751–1760. [LINK]. [PDF].

Ropert-Coudert Y, Chiaradia A, Ainley D, Barbosa A, Boersma PD, Brasso R, Dewar M, Ellenberg U, Garcia Borboroglu P. Emmerson L, Hickcox R, Jenouvrier S, Kato A, McIntosh RR, Lewis P, Ramirez F, Ruoppolo V, Ryan PG, Seddon PJ, Sherley RB, Vanstreels RET, Waller L, Woehler EJ and Trathan PN. 2019. Happy Feet in a hostile world? The future of penguins depends on proactive management of current and predictable threats. Frontiers in Marine Science 6: 248. [LINK]. [PDF].

Provencher JF, Borrelle S, Sherley RB, Avery-Gomm S, Hodum P, Bond A, Major HL, McCoy K, Crawford R, Merkel F, Votier SC, Hatfield J, Reynolds M, Spatz D and Mallory ML. 2019. Seabirds. In: Sheppard CRC (Ed.). World Seas: An Environmental Evaluation. Volume III: Ecological Issues and Environmental Impacts. Academic Press, Cambridge, MA, USA. ISBN: 9780128050521. [LINK].

Gaglio D, Sherley RB, Cook TR, Ryan PG and Flower T.  2018. The costs of kleptoparasitism: a study of mixed-species seabird breeding colonies. Behavioral Ecology 29: 939–947. [LINK]. Featured on the Issue's Front Cover.

Gaglio D, Sherley RB, Ryan PG and Cook TR. 2018. A non-invasive approach to estimate the energetic requirements of an increasing seabird population in a perturbed marine ecosystem. Scientific Reports 8: 8343. [LINK]. [PDF].

Gaglio D, Cook TR, Sherley RB and Ryan PG. 2018. How many can you catch? Factors influencing the occurrence of multi-prey loading in provisioning Greater Crested Terns. Ostrich 89: 145–149. [LINK]. Featured on the Issue's Front Cover.

Payo-Payo A, Sanz-Aguilar A, Gaglio D, Sherley RB, Cook TR, Altwegg R and Ryan PG. 2018. Survival estimates for the greater crested tern Thalasseus bergii in southern Africa. African Journal of Marine Science 40: 43–50. [LINK]. Featured on the Issue's Front Cover.

Gaglio D, Cook TR, McInnes A, Sherley RB and Ryan PG. 2018. Foraging plasticity in seabirds: a non-invasive study of the diet of greater crested terns breeding in the Benguela Region. PLoS ONE 13: e0190444. [LINK]. [PDF].

Sherley RB, Barham BJ, Barham PJ, Campbell KJ, Crawford RJM, Grigg J, Horswill C, McInnes A, Morris TL, Pichegru L, Steinfurth A, Weller F, Winker H and Votier SC. 2018. Bayesian inference reveals positive but subtle effects of experimental fishery closures on marine predator demographics. Proceedings of the Royal Society B: Biological Sciences 285: 20172443. [LINK]. [PDF]. (This paper has a correction).

Brisson-Curadeau É, Bird D, Burke C, Fifield DA, Pace P, Sherley RB and Elliott KH. 2017. Seabird species vary in behavioural response to drone census. Scientific Reports 7: 17884. [LINK] [PDF].

Crawford R, Ellenberg U, Frere E, Hagen C, Baird K, Brewin P, Crofts S, Glass J, Mattern T, Pompert J, Ross K, Kemper J, Ludynia K, Sherley RB, Steinfurth A, Suazo CG, Yorio P, Tamini L, Mangel JC, Bugoni L, Jimenez-Uzcategui G, Simeone A, Luna-Jorquera G, Gandini P, Woehler EJ, Pütz K, Dann P, Chiaradia A and Small C. 2017. Tangled and drowned: A global review of penguin bycatch in fisheries. Endangered Species Research 34: 373–396. [LINK] [PDF].

Sherley RB. 2017. ​​​​​​​PhD jobs: Revamp funding structures. Nature 551: 440. [LINK]. [PDF].

Sydeman WJ, Thompson SA, Anker-Nilssen T, Arimitsu M, Bennison A, Bertrand S, Boersch-Supan P, Boyd C, Bransome N, Crawford RJM, Daunt F, Furness R, Gianuca D, Gladics A, Koehn L, Lang J, Logerwell E, Morris TL, Phillips EM, Provencher J, Punt AE, Saraux C, Shannon L, Sherley RB, Simeone A, Wanless RM, Wanless S and Zador S. 2017. Best Practices for Assessing Forage Fish Fisheries - Seabird Resource Competition. Fisheries Research 194: 209–221. [LINK].

Votier SC and Sherley RB. 2017. Quick guide Seabirds. Current Biology 27: R448–R450. [LINK].

Sherley RB, Botha P, Underhill LG, Ryan PG, van Zyl D, Cockcroft AC, Crawford RJM, Dyer BM and Cook TR. 2017. Defining ecologically relevant scales for spatial protection with long-term data on an endangered seabird and local prey availability. Conservation Biology 31: 1312–1321. [LINK]. Featured on the Issue's Front Cover.

Morten JM, Parsons NJ, Schwitzer C, Holderied MW and Sherley RB. 2017. Body condition as a quantitative tool to guide hand-rearing decisions in an endangered seabird. Animal Conservation 20: 471–479. [LINK].

Sherley RB, Ludynia K, Dyer BM, Lamont T, Makhado AB, Roux J-P, Scales KL, Underhill LG and Votier SC. 2017. Metapopulation tracking juvenile penguins reveals an ecosystem-wide ecological trap. Current Biology 27: 563–568. [LINK] [PDF].

Gaglio D, Cook TR, Connan M, Ryan PG and Sherley RB. 2017. Dietary studies in birds: testing a non-invasive method using digital photography in seabirds. Methods in Ecology and Evolution 8: 214–222. [LINK]. [PDF].

Weller F, Sherley RB, Shannon LJ, Jarre A, Stewart T, Scott L, Altwegg R, Cecchini L-A, Crawford RJM, Geldenhuys D, Ludynia K and Waller LJ. 2016. Penguins’ perilous conservation status calls for complementary approach based on sound ecological principles: reply to Butterworth et al. (2015). Ecological Modelling 337: 1–3. [LINK]

Sherley RB. 2016. Unusual foraging behaviour of two introduced mammals following degradation of their island habitat. Biodiversity Observations 7: 1–10. [LINK]. [PDF].

Weller F, Sherley RB, Waller LJ, Ludynia K, Geldenhuys D, Shannon LJ, and Jarre A. 2016. System dynamics modelling of the Endangered African penguin populations on Dyer and Robben islands, South Africa. Ecological Modelling 327: 44–56. [LINK].

Sherley RB, Winker H, Altwegg R, van der Lingen CD, Votier SC and Crawford RJM. 2015. Bottom-up effects of a no-take zone on endangered penguin demographics. Biology Letters 11: 20150237. [LINK].

Gaglio D, Cook T and Sherley RB. 2015. Egg morphology of Swift Terns in South Africa. Ostrich 86: 287–289. [LINK].

Gaglio D, Sherley RB and Cook T. 2015. Insects in the diet of the Greater Crested Tern Thalasseus bergii bergii in Southern Africa. Marine Ornithology 43: 131–132. [LINK]. [PDF].

Sherley RB, Waller LJ, Strauss V, Geldenhuys D, Underhill LG and Parsons NJ. 2014. Hand-rearing, release and survival of African penguin chicks abandoned before independence by moulting parents. PLoS ONE 9(10): e110794. [LINK]. [PDF].

Sherley RB, Abadi F, Ludynia K, Barham BJ, Clark AE and Altwegg R. 2014. Age-specific survival and movement among major African Penguin Spheniscus demersus colonies. Ibis 156: 716–728. [LINK].

Weller F, Cecchini L-A, Shannon L, Sherley RB, Crawford RJM, Altwegg R, Scott L, Stewart T and Jarre A. 2014. A system dynamics approach to modelling multiple drivers of the African penguin population on Robben Island, South Africa. Ecological Modelling 277: 38–56. [LINK].

Ludynia K, Waller LJ, Sherley RB, Abadi F, Galada Y, Geldenhuys D, Crawford RJM, Shannon L and Jarre A. 2014. Processes influencing the population dynamics and conservation of African penguins at Dyer Island, South Africa. African Journal of Marine Science 36: 253–267. [LINK].

Gaglio D and Sherley RB. 2014. Nasty neighborhood: kleptoparasitism and egg predation of swift terns by Hartlaub's gulls. Biodiversity Observations 5: 131–134. [LINK]. [PDF].

Sherley RB, Barham PJ, Barham BJ, Crawford RJM, Dyer BM, Leshoro TM, Makhado AB, Upfold L and Underhill LG. 2014. Growth and decline of a penguin colony and the influence on nesting density and reproductive success. Population Ecology 56: 119–128. [LINK]

Bonato M, Evans MR, Hasselquist D, Sherley RB, Cloete SWP and Cherry IC. 2013. Ostrich chick humoral immune responses and growth rate are predicted by parental immune responses and paternal colouration. Behavioral Ecology and Sociobiology 67: 1891–1901. [LINK].

Sherley RB, Ludynia K, Lamont T, Roux JP, Crawford RJM and Underhill LG. 2013. The initial journey of an endangered penguin: implications for seabird conservation. Endangered Species Research 21: 89–95. [LINK]. [PDF].

Rueda E and Sherley RB. 2013. First observations of Black-winged Stilt Himantopus himantopus on Robben Island. Biodiversity Observations 4: 24–26. [LINK]. [PDF].

Sherley RB, Underhill LG, Barham BJ, Barham PJ, Coetzee JC, Crawford RJM, Dyer BM, Leshoro TM and Upfold L. 2013. Influence of local and regional prey availability on breeding performance of African penguins Spheniscus demersus. Marine Ecology Progress Series 473: 291–301. [LINK]. [PDF].

Sherley RB, Barham BJ, Barham PJ, Leshoro TM and Underhill LG. 2012. Artificial nests enhance the breeding productivity of African Penguins (Spheniscus demersus) on Robben Island, South Africa. Emu 112: 97–106. [LINK]. [PDF].

Sherley RB and Robinson KJ. 2012. First observation: Pied Avocet at Robben Island. Biodiversity Observations 3: 100–101. [LINK]. [PDF].

Sherley RB, Ludynia K, Underhill LG, Jones R and Kemper J. 2012. Storms and heat limit the nest success of Bank Cormorants: implications of future climate change for a surface-nesting seabird in southern Africa. Journal of Ornithology 153: 441–455. [LINK].

Sherley RB, Dyer BM, Underhill LG and Leshoro TM. 2011. Birds occurring or breeding at Robben Island, South Africa, since 2000. Biodiversity Observations 2: 69–100. [LINK]. [PDF].

de Villiers MS, Mecenero S, Sherley RB, Heinze E, Leshoro TM, Merbold L, Nordt A, Parsons NJ, and Peter H-U. 2010. Introduced European rabbits (Oryctolagus cuniculus) and domestic cats (Felis catus) on Robben Island: Population trends and management recommendations. South African Journal of Wildlife Research 40: 139–148. [LINK].

Sherley RB, Burghardt T, Barham PJ, Campbell N and Cuthill IC. 2010. Spotting the difference: towards fully-automated population monitoring of African penguins Spheniscus demersus. Endangered Species Research 11: 101–111. [LINK]. [PDF].

Underhill LG, Sherley RB, Dyer BM and Crawford RJM. 2009. Interactions between snakes and seabirds on Robben, Schaapen and Meeuw Islands, Western Cape province, South Africa. Ostrich 80: 115–118. [LINK].