Results 31 to 40 of about 2,039 (200)

Impact of dominance rank specification in dyadic interaction models.

open access: yesPLoS ONE, 2023
Dominance rank is a vital descriptor of social dynamics in animal societies and regularly used in studies to explain observed interaction patterns. However, researchers can choose between different indices and standardizations, and can specify dyadic ...
Alexander Mielke
doaj   +1 more source

The Evolution of Food Calls: Vocal Behaviour of Sooty Mangabeys in the Presence of Food

open access: yesFrontiers in Psychology, 2022
The two main theories of food-associated calls in animals propose functions either in cooperative recruitment or competitive spacing. However, not all social animals produce food calls and it is largely unclear under what circumstances this call type ...
Fredy Quintero   +6 more
doaj   +1 more source

Orígenes del VIH/SIDA

open access: yesRevista Clínica de la Escuela de Medicina UCR-HSJD, 2016
El síndrome de inmunodeficiencia adquirida (SIDA) es producido por dos lentivirus, los virus de la inmunodeficiencia humana (VIH) 1 y 2. Los primeros pacientes fueron diagnosticados en Estados Unidos en 1981.
Ricardo Boza Cordero
doaj   +1 more source

Consistency of Social Interactions in Sooty Mangabeys and Chimpanzees

open access: yesFrontiers in Ecology and Evolution, 2021
Predictability of social interactions can be an important measure for the social complexity of an animal group. Predictability is partially dependent on how consistent interaction patterns are over time: does the behavior on 1 day explain the behavior on
Alexander Mielke   +14 more
doaj   +1 more source

Teneur nutritionnelle des aliments « préférés » et « non-préférés » du Mangabey de Sanje (Cercocebus sanjei). Test du modèle «fallback foods » et choix saisonnier de nourriture

open access: yesRevue de Primatologie, 2016
Les nourritures dites « de recul » ou « de rabat » (fallback foods), utilisées pendant les périodes de pénurie des aliments « préférés » comme les fruits, sont la plupart du temps perçues comme étant nutritionnellement pauvres, alors que les nourritures «
Guillaume Pagès
doaj   +1 more source

Link between Primate Lentiviral Coreceptor Usage and Nef Function

open access: yesCell Reports, 2013
Simian immunodeficiency virus (SIVsmm) infection of sooty mangabeys (Cercocebus atys) is characterized by stable CD4+ T cell counts despite high plasma levels of CCR5-tropic viruses.
Jan Schmökel   +8 more
doaj   +1 more source

Lung fluke (Paragonimus africanus) infects Nigerian red-capped mangabeys and causes respiratory disease

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2015
Eggs of the lung fluke genus Paragonimus were detected in red-capped mangabeys (Cercocebus torquatus) in Nigeria. We assess the role of these primates as potential sylvatic hosts and the clinical effects of the parasite on monkeys.
Sagan Friant   +5 more
doaj   +1 more source

Context-Dependent Gestural Laterality: A Multifactorial Analysis in Captive Red-Capped Mangabeys

open access: yesAnimals, 2022
Catarrhine primates gesture preferentially with their right hands, which led to the hypothesis of a gestural origin of human left-hemispheric specialization for language.
Juliette Aychet   +3 more
doaj   +1 more source

Farmers survey of wild mammals species implicated in crop damage in the Okapi Wildlife Reserve (OWR-Epulu, Democratic Republic of the Congo): severity and control strategies

open access: yesNature Conservation Research: Заповедная наука, 2018
Investigations on mammal species implicated in crop damage and control techniques used to protect fields was carried out in the Okapi Wildlife Reserve (OWR). The aim of this study was to identify mammal species causing damages on crops, the growth stages
Nicaise D. Amundala   +8 more
doaj   +1 more source

To beg, or not to beg? That is the question: mangabeys modify their production of requesting gestures in response to human's attentional states. [PDF]

open access: yesPLoS ONE, 2012
BACKGROUND: Although gestural communication is widespread in primates, few studies focused on the cognitive processes underlying gestures produced by monkeys.
Audrey Maille   +3 more
doaj   +1 more source

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