Browsing Research Articles (Mammal Research Institute) by Title

Browsing Research Articles (Mammal Research Institute) by Title

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  • The relative importance of trophy harvest and retaliatory killing of large carnivores : South African leopards as a case study 
    Swanepoel, Lourens Hendrik; Lindsey, Peter Andrew; Somers, Michael J.; Van Hoven, Wouter; Dalerum, Fredrik (Southern African Wildlife Management Association, 2014-10)
    There are considerable challenges in the conservation of large carnivores, caused by large area requirements, low reproduction rates and low population densities coupled with their tendency to cause conflict with humans. ...
  • The relative role of intrinsic and extrinsic drivers in regulating population change and survival of African wild dogs (Lycaon pictus) 
    Marneweck, David G.; Druce, Dave J.; Cromsigt, Joris P.G.M.; Le Roux, Elizabeth; Somers, Michael J. (Springer, 2022-08)
    Evaluating how intrinsic (intraspecific density), extrinsic (interspecific density and prey density) and anthropogenic (management intervention) factors affect African wild dog (Lycaon pictus) population performance is key ...
  • Reliability of VHF telemetry data for measuring attendance patterns of marine predators : a comparison with time depth recorder data 
    Lowther, Andrew D.; Ahonen, Heidi; Hofmeyr, Greg; Oosthuizen, Wessel Christiaan; De Bruyn, P.J. Nico; Lydersen, Christian; Kovacs, Kit M.; Corkeron, Peter (Inter-Research, 2015-10-28)
    Very high frequency (VHF) radiotelemetry data has been used for over 30 yr to monitor the behavior patterns of otariid seals. These data have been used in a wide variety of ways, from characterizing the reproductive and ...
  • Remote sensing of environmental drivers influencing the movement ecology of sympatric wild and domestic ungulates in semi-arid savannas, a review 
    Rumiano, Florent; Wielgus, Elodie; Miguel, Eve; Chamaillé-Jammes, Simon; Valls-Fox, Hugo; Cornélis, Daniel; Garine-Wichatitsky, Michel; Fritz, Herve; Caron, Alexandre; Tran, Annelise (MDPI, 2020-10)
    Interfaces between protected areas and their peripheries in southern Africa are subject to interactions between wildlife and livestock that vary in frequency and intensity. In these areas, the juxtaposition between ...
  • A report on the housing vervet monkeys adjacent to domestic cats as a means of environmental enrichment 
    Chipangura, John Kudakwashe; Ganswindt, Andre; Naidoo, Vinny (AOSIS OpenJournals, 2020-11-26)
    In current research guidelines, much focus is placed on ethical management of animals and the application of principles of reduction, refinement and replacement. Of these refinements through environmental enrichment is ...
  • Reproduction in the East African root rat (Tachyoryctes splendens ; Rodentia : Spalacidae) from Tanzania : the importance of rainfall 
    Katandukila, Jestina V.; Faulkes, Christopher G.; Chimimba, Christian Timothy; Bennett, Nigel Charles (2013-12)
    The East African root rat, Tachyoryctes splendens (Rüppell, 1835) is a solitary subterranean rodent mole. The present study investigated breeding patterns in both sexes of T. splendens from data collected at monthly ...
  • Reproduction triggers adaptive increases in body size in female mole-rats 
    Thorley, Jack; Katlein, Nathan; Goddard, Katy; Zottl, Markus; Clutton-Brock, Tim H. (The Royal Society, 2018-06)
    In social mole-rats, breeding females are larger and more elongated than non-breeding female helpers. This status-related morphological divergence is thought to arise from modifications of skeletal growth following the ...
  • Reproductive conflict resolution in cooperative breeders 
    Cram, Dominic L.; Jungwirth, Anne; Spence-Jones, Helen; Clutton-Brock, Tim H. (Oxford University Press, 2019-11)
    Female infanticide is common in animal societies where groups comprise multiple co-breeding females. To reduce the risk that their offspring are killed, mothers can synchronize breeding and pool offspring, making it hard ...
  • Reproductive cycle stage assessment using vaginal cytology evaluation in African lions (Panthera leo) 
    Callealta, Isabel; Ganswindt, Andre; Lueders, Imke (Elsevier, 2020-02)
    Vaginal cytology evaluation is an economic, non-invasive technique for indirect monitoring of fluctuations in estrogen concentrations, and thus progression of the estrous cycle. This technique is widely used in domestic ...
  • Reproductive endocrinology of zoo-housed aardwolves 
    Marneweck, David G.; Ganswindt, Andre; Rhodes, Stephanie; Bellem, Astrid; Bryant, Jocelyn; Wielebnowski, Nadja; Dalerum, Fredrik (Mammal Research Institute, Polish Academy of Sciences, 2013-02)
    Knowledge regarding the relationship between endocrine parameters and reproductive activity can offer important insights into how social and environmental factors influence the reproductive success of mammals. Although ...
  • Reproductive events and respective faecal androgen metabolite concentrations in captive male roan antelope (Hippotragus equinus) 
    Kamgang, Vanessa Wandja; Bennett, Nigel Charles; Hart, Daniel William; Van der Goot, Annemieke C.; Ganswindt, Andre (Public Library of Science, 2020-12-17)
    Understanding the reproductive biology of the roan antelope (Hippotragus equinus) (É. Geoffroy Saint-Hilaire, 1803) is crucial to optimise breeding success in captive breeding programmes of this threatened species. In this ...
  • The reproductive pattern of the Gerbilliscus cf. leucogaster (Rodentia: Muridae) from Namibia 
    Muteka, Sachariah Penda; Chimimba, Christian Timothy; Bastos, Armanda D.S.; Bennett, Nigel Charles (NRC Research Press, 2019)
    Very little is known about the reproductive biology of the Gerbilliscus cf. leucogaster (Peters, 1852) despite its wide distribution throughout the southern African subregion. Body mass, reproductive tract morphometrics, ...
  • Reproductive patterns in the Baluchistan gerbil, Gerbillus nanus (Rodentia: Muridae), from western Saudi Arabia : the role of rainfall and temperature 
    Sarli, Joshua; Lutermann, Heike; Alagaili, Abdulaziz N.; Mohammed, Osama B.; Bennett, Nigel Charles (Elsevier, 2015-02)
    There is little information pertaining to the reproductive biology of the Baluchistan gerbil (Gerbillus nanus) despite a broad distribution throughout the Middle East. In the current study, body mass, reproductive–tract ...
  • Reproductive state influences the degree of risk tolerance for a seasonally breeding mesopredator 
    Marneweck, Courtney J.; Van Schalkwyk, Ockert Louis; Marneweck, David G.; Beverley, Grant; Davies-Mostert, Harriet T.; Parker, Daniel M. (Oxford University Press, 2021-07)
    The risk of predation can alter the way animals perceive costs and benefits in their environment, on which foraging decisions are made. To maximize fitness, animals with offspring show the most pronounced alteration in ...
  • Reproductive status and testorene among females in cooperative mole-rat societies 
    Lutermann, Heike; Young, Andrew J.; Bennett, Nigel Charles (Elsevier, 2013-06)
    Sexual selection acts on traits that increase reproductive success. Variation in reproductive success is often higher among males than females. Consequently, sexual selection has been studied extensively in males while its ...
  • Reserve size, dispersal and population viability in wide ranging carnivores : the case of jaguars in Emas National Park, Brazil 
    Finnegan, Shannon P.; Galvez-Bravo, L.; Silveira, L.; Torres, N.M.; Jacomo, A.T.A.; Alves, G.B.; Dalerum, Fredrik (Wiley, 2021-02)
    Protected areas may be important refuges for large carnivores, but many are not large enough to sustain viable populations. Without sufficient dispersal between protected areas, large carnivore populations inside them are ...
  • Resource selection in reintroduced lions and the influence of intergroup interactions 
    Yiu, Sze-Wing; Karczmarski, Leszek; Parrini, Francesca; Keith, Mark (Wiley, 2019-02)
    Optimal resource selection is crucial for maximising fitness and survival. Animals introduced to a new area need time to explore the environment, which could result in a time lag before optimal selection occurs. Furthermore, ...
  • Responses to reduced feeding frequency in captive-born cheetahs (Acinonyx jubatus) : implications for behavioural and physiological stress and gastrointestinal health 
    Brown, Kelsey Lee; Ganswindt, Andre; Steenkamp, Gerhard; Tordiffe, A.S.W. (Adrian Stephen Wolferstan) (MDPI, 2023-09)
    Unnatural diet composition and frequent feeding regimes may play an aetiological role in the multiple diseases prevalent in captive cheetahs. This study investigated the responses of captive-born (hand-reared) cheetahs ...
  • The retrospective analysis of Antarctic tracking data project 
    Ropert-Coudert, Yan; Van de Putte, Anton P.; Reisinger, Ryan R.; Bornemann, Horst; Charrassin, Jean-Benoit; Costa, Daniel P.; Danis, Bruno; Huckstadt, Luis A .; Huckstadt, Luis A.; Jonsen, Ian D.; Lea, Mary-Anne; Thompson, David; Torres, Leigh G.; Trathan, Philip N.; Wotherspoon, Simon; Ainley, David G.; Alderman, Rachael; Andrews-Goff, Virginia; Arthur, Ben; Ballard, Grant; Bengtson, John; Bester, Marthan Nieuwoudt; Blix, Arnoldus Schytte; Boehme, Lars; Bost, Charles-Andre; Boveng, Peter; Cleeland, Jaimie; Constantine, Rochelle; Crawford, Robert J.M.; Rosa, Luciano Dalla; De Bruyn, P.J. Nico; Delord, Karine; Descamps, Sebastien; Double, Mike; Emmerson, Louise; Fedak, Mike; Friedlaender, Ari; Gales, Nick; Goebel, Mike; Goetz, Kimberly T.; Guinet, Christophe; Goldsworthy, Simon D.; Harcourt, Rob; Hinke, Jefferson T.; Jerosch, Kerstin; Kato, Akiko; Kerry, Knowles R.; Kirkwood, Roger; Kooyman, Gerald L.; Kovacs, Kit M.; Lawton, Kieran; Lowther, Andrew D.; Lydersen, Christian; Lyver, Phil O’B.; Makhado, Azwianewi B.; Marquez, Maria E. I.; McDonald, Birgitte I.; McMahon, Clive Reginald; Muelbert, Monica; Nachtsheim, Dominik; Nicholls, Keith W.; Nordoy, Erling S.; Olmastroni, Silvia; Phillips, Richard A.; Pistorius, Pierre Anton; Plotz, Joachim; Putz, Klemens; Ratcliffe, Norman; Ryan, Peter G.; Santos, Mercedes; Southwell, Colin; Staniland, Iain; Takahashi, Akinori; Tarroux, Arnaud; Trivelpiece, Wayne; Wakefield, Ewan; Weimerskirch, Henri; Wienecke, Barbara; Xavier, Jose C.; Raymond, Ben; Hindell, Mark A . (Nature Publishing Group, 2020-03-18)
    The Retrospective Analysis of Antarctic Tracking Data (RAATD) is a Scientific Committee for Antarctic Research project led jointly by the Expert Groups on Birds and Marine Mammals and Antarctic Biodiversity Informatics, ...
  • Return customers : foraging site fidelity and the effect of environmental variability in wide-ranging Antarctic fur seals 
    Arthur, Benjamin; Hindell, Mark A.; Bester, Marthan Nieuwoudt; Trathan, Phil; Jonsen, Ian; Staniland, Lain; Oosthuizen, Wessel Christiaan; Wege, Mia; Lea, Mary-Anne (Public Library of Science, 2015-03-25)
    Strategies employed by wide-ranging foraging animals involve consideration of habitat quality and predictability and should maximise net energy gain. Fidelity to foraging sites is common in areas of high resource ...