Monitoring the social behavior of a bachelor mandrill (Mandrillus sphinx) dyad participating in touchscreen-mediated cognitive testing
Publication/Journal: Zoo Biology
Keywords: affiliative behavior, animal welfare, cognitive enrichment, cognitive testing, mandrill
2019
Experimentally evaluating the function of self-directed behaviour in two adult mandrills (Mandrillus sphinx)
Publication/Journal: Animal Welfare
Keywords: animal behaviour, animal welfare, mandrill, primate cognition, self-directed behaviour, zoo
2018
Improving the Welfare of a Zoo-Housed Male Drill (Mandrillus leucophaeus poensis) Aggressive Toward Visitors
Publication/Journal: Journal of Applied Animal Welfare Science
Keywords: activity patterns, aggression, animal welfare, feeding enrichment, space use
2016
Maternal effects and the endocrine regulation of mandrill growth
Publication/Journal: American Journal of Primatology
Keywords: body size, growth, hormones, mandrills, maternal effects
2012
Observation of Tool Use and Modification for Apparent Hygiene Purposes in a Mandrill
Publication/Journal: Behavioural Processes
Keywords: mandrillus sphinx, manipulative skills, primate tool manufacture
2011
Dominance, Coloration, and Social and Sexual Behavior in Male Drills Mandrillus leucophaeus
Publication/Journal: International Journal of Primatology
Keywords: color dichromatism, female choice, male–male competition, mandrillus, sexual signals
2009
Informative Breath: Olfactory Cues Sought During Social Foraging Among Old World Monkeys (Mandrillus sphinx, M. leucophaeus, and Papio anubis)
Publication/Journal: Journal of Comparative Psychology
Keywords: chemical communication, ecological cognition, forag- ing behavior, primate socioecology, social learning
2009
Urinary steroid hormone analysis of ovarian cycles and pregnancy in mandrills (Mandrillus sphinx) indicate that menses, copulatory behavior, sexual swellings and reproductive condition are associated with changing estrone conjugates (E1C) and pregnanediol-3-glucuronide (PdG)
Publication/Journal: Zoo Biology
Keywords: estrone conjugates (e1c), mandrillus sphinx, menstrual cycle, pregnancy, pregnanediol-3-glucuronide (pdg), sexual swellings
2008
Manipulation without mind-reading: information suppression and leakage during food discovery by mandrills (Mandrillus sphinx)
Publication/Journal: Behaviour
Keywords: cognition, concealment, food calling, manipulative communication, passive deception, theory of mind
2006
Honest signaling of intentions: the importance of performance risk, receiver response, and prior knowledge of opponents in the threat displays of mandrills
Publication/Journal: Behaviour
Keywords: individual recognition, mandrillus, reliable communication, sequential analysis, vulnerability handicap
2005