Browsing Research Articles (Mammal Research Institute) by Title

Browsing Research Articles (Mammal Research Institute) by Title

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  • 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 ...
  • A review of community-based natural resource management 
    Milupi, I.D. (Inonge); Somers, Michael J.; Ferguson, Jan Willem Helenus (Levente Hufnagel (ALOKI Kft.), 2017)
    Please read abstract in article.
  • A review of the anthropogenic threats faced by Temminck's ground pangolin, Smutsia temminckii, in southern Africa 
    Pietersen, Darren William; McKechnie, Andrew E.; Jansen, Raymond (Southern African Wildlife Management Association, 2014-10)
    Throughout its range, Temminck’s ground pangolin, Smutsia temminckii, is becoming increasingly threatened, predominantly as a result of anthropogenic pressures. This species is currently listed as Vulnerable in South ...
  • A revision of pipistrelle-like bats (Mammalia: Chiroptera: Vespertilionidae) in East Africa with the description of new genera and species 
    Monadjem, Ara; Demos, Terrence C.; Dalton, Desire L.; Webala, Paul W.; Musila, Simon; Peterhans, Julian C. Kerbis; Patterson, Bruce D. (Oxford University Press, 2021-04)
    Vespertilionidae (class Mammalia) constitutes the largest family of bats, with ~500 described species. Nonetheless, the systematic relationships within this family are poorly known, especially among the pipistrelle-like ...
  • Revisiting animal photo-identification using deep metric learning and network analysis 
    Miele, Vincent; Dussert, Gaspard; Spataro, Bruno; Chamaillé-Jammes, Simon; Allaine, Dominique; Bonenfant, Christophe (Wiley, 2021-05)
    An increasing number of ecological monitoring programmes rely on photographic capture–recapture of individuals to study distribution, demography and abundance of species. Photo-identification of individuals can sometimes ...
  • Risk assessment in the plateau pika (Ochotona curzoniae) : intensity of behavioral response differs with predator species 
    Wei, Wanrong; Zhen, Qiaoyan; Tang, Zhongmin; Oosthuizen, Maria Kathleen (BioMed Central, 2020-07)
    BACKGROUND: The ability of a prey species to assess the risk that a predator poses can have important ftness advantages for the prey species. To better understand predator–prey interactions, more species need to be observed ...
  • Ritualised dung kicking by white rhino males amplifies olfactory signals but reduces odour duration 
    Marneweck, Courtney; Jürgens, Andreas; Shrader, A.M. (Adrian) (Springer, 2018-10)
    Many mammals enhance their olfactory signals visually by depositing them in conspicuous locations such as well-travelled paths. It is also possible to enhance the odour itself through behaviours aimed at modifying odour ...
  • Rival assessment by territorial southern white rhinoceros males via eavesdropping on the contact and courtship calls 
    Cinkova, Ivana; Shrader, A.M. (Adrian) (Elsevier, 2020-08)
    Eavesdropping on vocal signals allows animals to gather information about conspecifics. For males, eavesdropping can be a low-risk method for determining the dominance status (e.g. territorial or subordinate) and motivation ...
  • The role of middens in white rhino olfactory communication 
    Marneweck, Courtney; Jürgens, Andreas; Shrader, A.M. (Adrian) (Elsevier, 2018-06)
    White rhinos (Ceratotherium simum) use dung odours to transmit information about their sex, age, territorial status (males) and oestrous state. Moreover, as white rhinos defecate in communal middens (i.e. dung heaps, or ...