User profiles for Patrick J. Tkaczynski
Patrick J TkaczynskiLecturer at Liverpool John Moores University Verified email at ljmu.ac.uk Cited by 514 |
[HTML][HTML] Social thermoregulation as a potential mechanism linking sociality and fitness: Barbary macaques with more social partners form larger huddles
LAD Campbell, PJ Tkaczynski, J Lehmann, M Mouna… - Scientific reports, 2018 - nature.com
Individuals with more or stronger social bonds experience enhanced survival and reproduction
in various species, though the mechanisms mediating these effects are unclear. Social …
in various species, though the mechanisms mediating these effects are unclear. Social …
Systematic mapping of developmental milestones in wild chimpanzees
AC Bründl, PJ Tkaczynski… - Developmental …, 2021 - Wiley Online Library
Postnatal development is protracted relative to lifespan in many primates, including modern
humans (Homo sapiens), facilitating the acquisition of key motor, communication and social …
humans (Homo sapiens), facilitating the acquisition of key motor, communication and social …
Early maternal loss leads to short-but not long-term effects on diurnal cortisol slopes in wild chimpanzees
The biological embedding model (BEM) suggests that fitness costs of maternal loss arise
when early-life experience embeds long-term alterations to hypothalamic-pituitary-adrenal (…
when early-life experience embeds long-term alterations to hypothalamic-pituitary-adrenal (…
Behavioral responses to injury and death in wild Barbary macaques (Macaca sylvanus)
…, PJ Tkaczynski, M Mouna, M Qarro, J Waterman… - Primates, 2016 - Springer
The wounding or death of a conspecific has been shown to elicit varied behavioral responses
throughout thanatology. Recently, a number of reports have presented contentious …
throughout thanatology. Recently, a number of reports have presented contentious …
[HTML][HTML] Patterns of urinary cortisol levels during ontogeny appear population specific rather than species specific in wild chimpanzees and bonobos
PJ Tkaczynski, V Behringer, CY Ackermann… - Journal of Human …, 2020 - Elsevier
… Author links open overlay panel Patrick J. Tkaczynski a b , Verena Behringer a c , Corinne
Y. Ackermann d , Pawel Fedurek e , Barbara Fruth f g , Cédric Girard-Buttoz a b , Catherine …
Y. Ackermann d , Pawel Fedurek e , Barbara Fruth f g , Cédric Girard-Buttoz a b , Catherine …
The function of chimpanzee greeting calls is modulated by their acoustic variation
Signalling plays an important role in mediating social interactions in many animal species.
For example, during approaches certain species produce ‘greetings’, which can take the form …
For example, during approaches certain species produce ‘greetings’, which can take the form …
Long-term repeatability in social behaviour suggests stable social phenotypes in wild chimpanzees
Consistent individual differences in social phenotypes have been observed in many animal
species. Changes in demographics, dominance hierarchies or ecological factors, such as …
species. Changes in demographics, dominance hierarchies or ecological factors, such as …
Measuring personality in the field: An in situ comparison of personality quantification methods in wild Barbary macaques (Macaca sylvanus).
PJ Tkaczynski, C Ross, A MacLarnon… - Journal of …, 2019 - psycnet.apa.org
… Correspondence concerning this article should be addressed to Patrick J. Tkaczynski,
Department of Primatology, Max Planck Institute of Evolutionary Anthropology, Deutscher Platz 6, …
Department of Primatology, Max Planck Institute of Evolutionary Anthropology, Deutscher Platz 6, …
[HTML][HTML] Shared community effects and the non-genetic maternal environment shape cortisol levels in wild chimpanzees
Mechanisms of inheritance remain poorly defined for many fitness-mediating traits, especially
in long-lived animals with protracted development. Using 6,123 urinary samples from 170 …
in long-lived animals with protracted development. Using 6,123 urinary samples from 170 …
Behavioural thermoregulation via microhabitat selection of winter sleeping areas in an endangered primate: implications for habitat conservation
LAD Campbell, PJ Tkaczynski… - Royal Society …, 2018 - royalsocietypublishing.org
Strategic microhabitat selection allows animals in seasonally cold environments to reduce
homeostatic energy costs, particularly overnight when thermoregulatory demands are greatest…
homeostatic energy costs, particularly overnight when thermoregulatory demands are greatest…