foto Piotr Ślipiński

Last update: 14 March 2018


Behavioural ecology of birds and mammals, biological invasions


Nestlings’ phenotypic polymorphism and co-evolutionary arms race in a host-brood parasite system in New Caledonia. NCN 2016/23/B/NZ8/03082. With Alfredo Attisano and Roman Gula (MIZ)

Does an epigenetic mechanism escalate the co-evolutionary arms race in avian host-parasite systems? NCN 2012/05/E/NZ8/02694. With Nozomu Sato, Keita Tanaka, Yuji Okahisa, Keisuke Ueda (Rikkyo University), Ralph Kuehn (Technische Universität München), Alfredo Attisano, Roman Gula (MIZ)

Cooperation and competition in a top predator family unit: spatiotemporal interactions among wolves. NCN 2011/01/B/NZ8/04233. With Henryk Okarma (IOP PAN), Roman Gula (MIZ), Katarzyna Bojarska (Jagiellonian University)

Social organisation in the flightless Kagu Rhynochetos jubatus, an endemic bird of New Caledonia. With Roman Gula (MIZ), Ralph Kühn (Technische Universität München)

(see also: Conservation Research New Caledonia)


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Bojarska K., Kuehn R., Gazda M.A., Sato N.J., Okahisa Y., Tanaka K.D., Attisano A., Gula R., Ueda K., Theuerkauf J. 2018. Mating system and extra-pair paternity in the Fan-tailed Gerygone Gerygone flavolateralis in relation to parasitism by the Shining Bronze-cuckoo Chalcites lucidus. PLoS ONE 13: e0194059. [pdf]

Olah, G., J. Theuerkauf, A. Legault, R. Gula, J. Stein, S. Butchart, M. O‘Brien & R. Heinsohn. 2018. Parrots of Oceania – a comparative study of extinction risk. Emu 118: 94-112. [abstract] [pdf]

Theuerkauf J., Gula R. 2018. Indirect evidence for body size reduction in a flightless island bird after human colonisation. Journal of Ornithology: DOI 10.1007/s10336-018-1545-0. [pdf]


Bojarska, K., M. Kwiatkowska, P. Skórka, R. Gula, J. Theuerkauf & H. Okarma. 2017. Anthropogenic environmental traps: where do wolves kill their prey in a commercial forest? Forest Ecology and Management 397: 117-125. [abstract]

Theuerkauf, J., V. Chartendrault, F. Desmoulins, N. Barré & R. Gula. 2017. Positive range-abundance relationships in New Caledonian bird communities. Journal of Biogeography 44: 2161-2163. [pdf]

Theuerkauf, J., T. Haneda, Y. Okahisa, N.J. Sato, S. Rouys, H. Bloc, K. Ueda, I. Watanabe, R. Kuehn & R. Gula. 2017. Elevated concentrations of naturally occurring heavy metals inversely correlate with reproductive output and body mass of the Kagu Rhynochetos jubatus. Ibis 159: 580-587. [abstract]


Merta, D., J. Kobielski, J. Theuerkauf & R. Gula. 2016. Towards a successful reintroduction of Capercaillies – activity, movements and diet of young released to the Lower Silesia Forest, Poland. Wildlife Biology 22: 130-135. [pdf]

Okahisa, Y., A. Legault, B. Angin, V. Chartendrault, N. Barré, C. de Franceschi, T. Duval, F. Tron, R. Gula & J. Theuerkauf. 2016. Using playback and habitat models to estimate the distribution and population size of the critically endangered Crow Honeyeater (Gymnomyza aubryana) in New Caledonia. Emu 116: 41-47. [abstract]


Gazda, M.A., R. Kuehn, N.J. Sato, K.D. Tanaka, Y. Okahisa, K. Ueda, R. Gula, & J. Theuerkauf. 2015. Establishment of microsatellite markers to assess the mating system of the fan-tailed gerygone (Gerygone flavolateralis) for studying cuckoo-host arms race. Annales Zoologici Fennici 52: 280-284. [pdf]

Krell, F.-T. & J. Theuerkauf. 2015. A new species of the endemic genus Hemicyrthus Reiche (Coleoptera: Scarabaeidae: Dynastinae) from New Caledonia, with a revised key. Zootaxa 4048: 281-290. [pdf]

Merta, D., J. Kobielski, A. Krzywiński, J. Theuerkauf & R. Gula. 2015. A new mother-assisted rearing and release technique (“born to be free”) reduces the exploratory movements and increases survival of young Capercaillies. European European Journal of Wildlife Research 61: 299-302. [pdf]

Okahisa, Y., T. Nakahara, N.J. Sato, J. Theuerkauf & K. Ueda. 2015. Puddle use by New Caledonian rainforest birds. Ornithological Science 14: 41-45. [abstract]

Sato, N.J., K.D. Tanaka, Y. Okahisa, M. Yamamichi, R. Kuehn, R. Gula, K. Ueda & J. Theuerkauf. 2015. Nestling polymorphism in a cuckoo-host system. Current Biology 25: R1164-R1165. [abstract]

Theuerkauf, J., T. Haneda, N.J. Sato, K. Ueda, R. Kuehn, R. Gula & I. Watanabe. 2015. Naturally high heavy metal concentrations in feathers of the flightless Kagu Rhynochetos jubatus. Ibis 157: 177-180. [abstract]

Theuerkauf, J., R. Kuehn, R. Gula, A. Sztencel-Jabłonka, H. Jourdan, A. Taugamoa, D. Labrousse & W. Bogdanowicz. 2015. Invasion history affects genetic structure in island rat populations. Journal of Zoology 295: 197-205. [abstract]


Frąckowiak, W., J. Theuerkauf, B. Pirga & R. Gula. 2014. Brown bear habitat selection in relation to anthropogenic structures in the Bieszczady Mountains, Poland. Biologia 69: 926-930. [pdf]

Grand, D., M. Marinov, C. Cook, H. Jourdan, S. Rouys & J. Theuerkauf. 2014. Identification key to adult Odonata of New Caledonia and Wallis and Futuna. Odonatologica 43: 247-277. [pdf]

Jackson, B., A. Lorenzo, J. Theuerkauf, A. Barnaud, T. Duval, P. Guichard, H. Bloc, A. Baouma, D. Stainton, S. Kraberger, S. Murphy, N. Clark, C. Dillon, T. Knight & A. Varsani. 2014. Preliminary surveillance for beak and feather disease virus in wild parrots of New Caledonia; implications of a reservoir species for Ouvea Parakeets. Emu 114: 283-289. [abstract]


Barré, N., F. Tron, V. Chartendrault, Y. Okahisa, N. Sato, A. Legault & J. Theuerkauf. 2013. Breeding seasons of landbirds in New Caledonia. Wilson Journal of Ornithology 125: 384-389. [abstract]

Eggermann, J., J. Theuerkauf, B. Pirga, A. Milanowski & R. Gula. 2013. Stress-hormone levels of wolves in relation to breeding season, pack size, human activity, and prey density. Annales Zoologici Fennici 50: 170-175. [pdf]

Gula, R. & J. Theuerkauf. 2013. The need for standardization in wildlife science – home range estimators as an example. European Journal of Wildlife Research 59: 713-718. [pdf]

Legault, A., J. Theuerkauf, E. Baby, L. Moutin, S. Rouys, M. Saoumoé, L. Verfaille, N. Barré, V. Chartendrault & R. Gula. 2013. Standardising distance sampling surveys of parrots in New Caledonia. Journal of Ornithology 154: 19-33. [pdf]

Legault, A., J. Theuerkauf, V. Chartendrault, S. Rouys, M. Saoumoé, L. Verfaille, F. Desmoulins, N. Barré & R. Gula. 2013. Using ecological niche models to infer the distribution and population size of parakeets in New Caledonia. Biological Conservation 167: 149-160. [abstract]

Tanaka, K.D., Y. Okahisa, N.J. Sato, J. Theuerkauf & K. Ueda. 2013. Gourmand New Caledonian crows munch rare escargots by dropping. Journal of Ethology 31: 341-344. [abstract]

Theuerkauf, J., J. Perez, A. Taugamoa, I. Niutoua, D. Labrousse, R. Gula, W. Bogdanowicz, H. Jourdan & C. Goarant. 2013. Leptospirosis risk increases with changes in species composition of rat populations. Naturwissenschaften 100: 385-388. [pdf]


Legault, A., J. Theuerkauf, S. Rouys, V. Chartendrault & N. Barré. 2012. Temporal variation in flock size and habitat use of parrots in New Caledonia. Condor 114: 552-563. [pdf]

Stoeckle, B.C., J. Theuerkauf, S. Rouys, R. Gula, A. Lorenzo, C. Lambert, T. Kaeser & R. Kuehn. 2011. Identification of polymorphic microsatellite loci for the endangered Kagu (Rhynochetos jubatus) by high-throughput sequencing. Journal of Ornithology 153: 249-253. [pdf]


Legault, A., V. Chartendrault, J. Theuerkauf, S. Rouys & N. Barré. 2011. Large-scale habitat selection by parrots in New Caledonia. Journal of Ornithology 152: 409-419. [pdf]

Theuerkauf, J. & R. Gula. 2011. Publication costs and a moderate impact factor deter potential authors of the Journal of Wildlife Management. Journal of Wildlife Management 75: 263. [doi:10.1002/jwmg.66]

Theuerkauf, J., S. Rouys, H. Jourdan & R. Gula. 2011. Efficiency of a new reverse-bait trigger snap trap for invasive rats and a new standardised abundance index. Annales Zoologici Fennici 48: 308-318. [pdf]


Barré, N., J. Theuerkauf, L. Verfaille, P. Primot & M. Saoumoé. 2010. Exponential population increase in the endangered Ouvéa Parakeet (Eunymphicus uvaeensis) after community-based protection from nest poaching. Journal of Ornithology 151: 695-701. [abstract]

Gula, R., J. Theuerkauf, S. Rouys & A. Legault. 2010. An audio/video surveillance system for wildlife. European Journal of Wildlife Research 56: 803-807. [abstract]

Theuerkauf, J. & R. Gula. 2010. Towards standardisation of population estimates: defecation rates of elephants should be assessed using a rainfall model. Annales Zoologici Fennici 47: 398-402. [pdf]

Theuerkauf, J., H. Jourdan, S. Rouys, R. Gula, M. Gajewska, K. Unrug & R. Kuehn. 2010. Inventory of alien birds and mammals in the Wallis and Futuna Archipelago. Biological Invasions 12: 2975-2978. [abstract]


Eggermann, J., R. Gula, B. Pirga, J. Theuerkauf, H. Tsunoda, B. Brzezowska, S. Rouys & S. Radler. 2009. Daily and seasonal variation in wolf activity in the Bieszczady Mountains, SE Poland. Mammalian Biology 74: 159-163. [doi:10.1016/j.mambio.2008.05.010]

Theuerkauf, J. 2009. What drives wolves: fear or hunger? Humans, diet, climate and wolf activity patterns. Ethology 115: 649-657. [pdf]

Theuerkauf, J., S. Rouys, J.M. Mériot & R. Gula. 2009. Group territoriality as a form of cooperative breeding in the flightless Kagu of New Caledonia. Auk 126: 371-375. [pdf]

Theuerkauf, J., S. Rouys, J.M. Mériot, R. Gula & R. Kuehn. 2009. Cooperative breeding, mate guarding, and nest sharing in two parrot species of New Caledonia. Journal of Ornithology 150: 791-797. [abstract]

Theuerkauf, J., S. Rouys, A.L. van Berge Henegouwen, F.-T. Krell, S. Mazur & M. Mühlenberg. 2009. Colonization of forest elephant dung by invertebrates in the Bossematié Forest Reserve, Ivory Coast. Zoological Studies 48: 343-350. [pdf]

Tsunoda, H., R. Gula, J. Theuerkauf, S. Rouys, S. Radler, B. Pirga, J. Eggermann & B. Brzezowska. 2009. How does parental role influence the activity and movements of breeding wolves? Journal of Ethology 27: 185-189. [abstract]


Schmidt, K., W. Jędrzejewski, J. Theuerkauf, R. Kowalczyk, H. Okarma & B. Jędrzejewska. 2008. Reproductive behaviour of wild-living wolves in Białowieża Primeval Forest (Poland). Journal of Ethology 26: 69-78. [abstract]

Theuerkauf, J. & S. Rouys. 2008. Habitat selection by ungulates in relation to predation risk by wolves and humans in the Białowieża Forest, Poland. Forest Ecology and Management 256: 1325-1332. [abstract]

Theuerkauf, J., S. Rouys & W. Jędrzejewski. 2008. Detectability and disappearance of ungulate and hare faeces in a European temperate forest. Annales Zoologici Fennici 45: 73-80. [pdf]


Jędrzejewski, W., K. Schmidt, J. Theuerkauf, B. Jędrzejewska & R. Kowalczyk. 2007. Territory size of wolves Canis lupus: linking local (Białowieża Primeval Forest, Poland) and Holarctic-scale patterns. Ecography 30: 66-76. [abstract]

Nowak, S., W. Jędrzejewski, K. Schmidt, J. Theuerkauf, R.W. Mysłajek & B. Jędrzejewska. 2007. Howling activity of free-ranging wolves (Canis lupus) in the Białowieża Primeval Forest and the Western Beskidy Mountains (Poland). Journal of Ethology 25: 231-237. [abstract]

Theuerkauf, J., R. Gula, B. Pirga, H. Tsunoda, J. Eggermann, B. Brzezowska, S. Rouys & S. Radler. 2007. Human impact on wolf activity in the Bieszczady Mountains, SE Poland. Annales Zoologici Fennici 44: 225-231. [pdf]

Theuerkauf, J., S. Rouys & C. Chatreau. 2007. Mortality of radio-tracked wild rats in relation to transmitter weight and resilience of transmitters in relation to their design. Journal of the Royal Society of New Zealand 37: 85-90. [pdf]


Pain, D.J., T.L.F. Martins, M. Boussekey, S.H. Diaz, C.T. Downs, J.M.M. Ekstrom, S. Garnett, J.D. Gilardi, D. McNiven, P. Primot, S. Rouys, M. Saoumoé, C.T. Symes, S.A. Tamungang, J. Theuerkauf, D. Villafuerte, L. Verfailles, P. Widmann, I.D. Widmann. 2006. Impact of protection on nest take and nesting success of parrots in Africa, Asia and Australasia. Animal Conservation 9: 322-330. [abstract]

Theuerkauf, J. & S. Rouys. 2006. Do Orthoptera need human land use in Central Europe? The role of habitat patch size and linear corridors in the Białowieża Forest, Poland. Biodiversity and Conservation 15: 1497-1508. [abstract]


Jędrzejewski, W., W. Branicki, C. Veit, I. Medugorac, M. Pilot, A.N. Bunevich, B. Jędrzejewska, K. Schmidt, J. Theuerkauf, H. Okarma, R. Gula, L. Szymura & M. Förster. 2005. Genetic diversity and relatedness within packs in an intensely hunted population of wolves Canis lupus. Acta Theriologica 50: 3-22. [pdf]

Theuerkauf, J., S. Rouys, G. Grein & A. Becker. 2005. New records of Orthoptera in the Bieszczady Mountains (Southeast Poland) with special regard to the genus Isophya. Fragmenta Faunistica 48: 9-14. [pdf]


Jędrzejewski, W., K. Schmidt, B. Jędrzejewska, J. Theuerkauf, R. Kowalczyk & K. Zub. 2004. The process of a wolf pack splitting in Białowieża Primeval Forest, Poland. Acta Theriologica 49: 275-280. [pdf]


Rouys, S. & J. Theuerkauf. 2003. Factors determining the distribution of introduced mammals in nature reserves of the southern province, New Caledonia. Wildlife Research 30: 187-191. [abstract]

Theuerkauf, J., W. Jędrzejewski, K. Schmidt, H. Okarma, I. Ruczyński, S. Śnieżko & R. Gula. 2003. Daily patterns and duration of wolf activity in the Białowieża Forest, Poland. Journal of Mammalogy 84: 243-253. [pdf]

Theuerkauf, J., S. Rouys & W. Jędrzejewski. 2003. Selection of den, rendezvous, and resting sites by wolves in the Białowieża Forest, Poland. Canadian Journal of Zoology 81: 163-167. [pdf]

Theuerkauf, J., W. Jędrzejewski, K. Schmidt & R. Gula. 2003. Spatiotemporal segregation of wolves from humans in the Białowieża Forest (Poland). Journal of Wildlife Management 67: 706-716. [pdf]

Zub, K., J. Theuerkauf, W. Jędrzejewski, B. Jędrzejewska, K. Schmidt & R. Kowalczyk. 2003. Wolf pack territory marking in the Białowieża Primeval Forest (Poland). Behaviour 140: 635-648. [pdf]


Buczyński, P., J. Theuerkauf & S. Rouys. 2002. Nowe stanowiska Cordulegaster bidentata Sélys, 1843 (Odonata: Cordulegastridae) w Bieszczadach. Wiadomości Entomologiczne 20: 183-184. [pdf]

Jędrzejewski, W., K. Schmidt, J. Theuerkauf, B. Jędrzejewska, N. Selva, K. Zub & L. Szymura. 2002. Kill rates and predation by wolves on ungulate populations in Białowieża Primeval Forest (Poland). Ecology 83: 1341-1356. [pdf]

Theuerkauf, J. & W. Jędrzejewski. 2002. Accuracy of radiotelemetry to estimate wolf activity and locations. Journal of Wildlife Management 66: 859-864. [abstract]


Jędrzejewski, W., K. Schmidt, J. Theuerkauf, B. Jędrzejewska & H. Okarma. 2001. Daily movements and territory use by radio-collared wolves (Canis lupus) in Białowieża Primeval Forest in Poland. Canadian Journal of Zoology 79: 1993-2004. [abstract]

Rouys, S., J. Theuerkauf & M. Krasińska. 2001. Accuracy of radio-tracking to estimate activity and distances walked by European bison in the Białowieża Forest, Poland. Acta Theriologica 46: 319-326. [abstract]

Theuerkauf, J. & S. Rouys. 2001. Habitats of Odonata in the Białowieża Forest and its surroundings (Poland). Fragmenta Faunistica 44: 33-39. [pdf]

Theuerkauf, J., H. Ellenberg, W.E. Waitkuwait & M. Mühlenberg. 2001. Forest elephant distribution and habitat use in the Bossematié Forest Reserve, Ivory Coast. Pachyderm 30: 37-43. [pdf]

Theuerkauf, J., W. Jędrzejewski, K. Schmidt & R. Gula. 2001. Impact of human activity on daily movement patterns of wolves, Canis lupus, in the Białowieża Forest, Poland. Pages 206-208 in: R. Field, R.J. Warren, H. Okarma & P.R. Sievert (eds) Wildlife, land, and people: priorities for the 21st century. Proceedings of the Second International Wildlife Management Congress. The Wildlife Society, Bethesda, Maryland, USA. [pdf]

Theuerkauf, J., K. Schröder & T. Schikore. 2001. Heuschrecken im Landkreis Osterholz (Niedersachsen) mit besonderer Berücksichtigung ihrer Verbreitung auf dem Gebiet der Stadt Osterholz-Scharmbeck. Abhandlungen des Naturwissenschaftlichen Vereins zu Bremen 45: 143-162. [pdf]


Theuerkauf, J. & H. Ellenberg. 2000. Movements and defaecation of forest elephants in the moist semi-deciduous Bossematié Forest Reserve, Ivory Coast. African Journal of Ecology 38: 258-261. [doi:10.1046/j.1365-2028.2000.00240.x]

Theuerkauf, J., H. Ellenberg & Y. Guiro. 2000. Group structure of forest elephants in the Bossematié Forest Reserve, Ivory Coast. African Journal of Ecology 38: 262-264. [doi:10.1046/j.1365-2028.2000.00236.x]

Theuerkauf, J., W.E. Waitkuwait, Y. Guiro, H. Ellenberg & S. Porembski. 2000. Diet of forest elephants and their role in seed dispersal in the Bossematié Forest Reserve, Ivory Coast. Mammalia 64: 447-459. [pdf]

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