• Of the 52 samples tested with boons ( Papio anubis ) and vervet monkeys ( Chlorocebus the TPPA assay, there were 33 positive, 6 negative, and 13 pygerythrus ) in Laikipia County, Kenya. (cdc.gov)
  • In our work, we paid special attention to the organization of the venous system within the forelimb of the Anubis baboon ( Papio anubis ), as well as communications between the superficial and deep venous system. (hindawi.com)
  • The main aim of the study was a detailed examination of the location of venous valves and perforating veins in forelimb of Anubis baboon. (hindawi.com)
  • In the Anubis baboon, we observed the absence of the basilic vein. (hindawi.com)
  • The venous vessels in the Anubis baboon were arranged in two main layers: superficial and deep, with both systems being connected by perforators located at the level of the carpus and cubital fossa. (hindawi.com)
  • The Anubis baboon was chosen because of the unique possibility of carrying out anatomical research on such a rare research material. (hindawi.com)
  • Dr. Palombit is currently conducting a long-term comparative study of chacma baboons ( Papio hamadryas ursinus ) in Botswana and olive baboons ( Papio hamadryas anubis ) in central Kenya. (rutgers.edu)
  • Male olive baboon ( Papio hamadryas anubis ) "followers" incur time, but not energetic costs. (rutgers.edu)
  • Regional variation in the myosin heavy chain composition in the temporalis muscle of female and male baboons ( Papio anubis ). (pcom.edu)
  • Papio cynocephalus anubis - male & juvenile. (ljaxphotos.com)
  • Adult male olive baboon ( Papio anubis ) lounging at the at Mount Elgon National Park at 2,150 m asl, western Kenya. (wildsolutions.nl)
  • Serum from one olive baboon (Papio anubis) was positive for ZIKV antibodies. (cdc.gov)
  • [1] - "Kinda baboons (Papio kindae) and grayfoot chacma baboons (P. ursinus griseipes) hybridize in the Kafue river valley, Zambia - PubMed" . (bioexplorer.net)
  • Unlike Chacma baboons (P. ursinus), which often sleep in burrows, Papio papio appears to enter burrows to lick the walls. (bioexplorer.net)
  • chacma baboons in Okavango Delta, Botswana and olive baboons in Laikipia, Kenya. (rutgers.edu)
  • Currently, he directs "Project Papio, a study "friendships" in chacma baboons in Okavango Delta, Botswana and in olive baboons at his field site in Laikipia, Kenya. (rutgers.edu)
  • His data suggest that this social relationship functions as a deterrent to sexually selected infanticide in chacma baboons, which accounts for at least 37% of infant mortality. (rutgers.edu)
  • This difference is just one of numerous social features distinguishing chacma baboons from their East African cousins (e.g., lack of male-male coalitions, apparently greater sexual monopolization of estrus females by high-ranking males, enhanced territoriality). (rutgers.edu)
  • Female chacma baboons form strong, equitable, and enduring social bonds. (upenn.edu)
  • Male and female chacma baboons form friendships based on likelihood of paternity. (upenn.edu)
  • We propose to study the behavioral response of chacma baboons to a novel ecology that mimics aspects of the selective environment thought to have produced the multilevel societies of hamadryas and early Homo. (wennergren.org)
  • Chacma baboons are preyed upon by Leopard and Cheetah. (krugerpark.co.za)
  • The social structure of Guinea baboons is apparently complex, similar to that of Hamadryas baboons. (bioexplorer.net)
  • For example, Guinea baboons turn out to have a social system quite similar to that of Hamadryas baboons. (michael-lawrence-wilson.com)
  • We report serop- TPPA, https://www.fujirebio-us.com), which has been vali- revalence for Treponema pallidum antibodies in olive ba- dated for use in baboons ( 7 ). (cdc.gov)
  • 2001] of hamadryas habitats in Eritrea found that this taxon does indeed use more arid environments than neighbouring olive baboons, but also occupies moist coastal lowlands and makes use of a wide range of vegetation types. (karger.com)
  • In East African olive baboons, however, male infanticide occurs rarely, and yet heterosexual friendships develop just as reliably. (rutgers.edu)
  • Kinda baboons live in groups of several males and females, similar to yellow and olive baboons . (bioexplorer.net)
  • Results: The 212 serum samples were collected in 7 counties from 87 (41.0%) Olive baboons, 69 (32.5%) Vervet monkeys, and 49 (23.1%) Sykes monkeys. (cdc.gov)
  • There have, however, been few systematic comparisons of the environments occupied by the 6 major Papio species, and how differences in range conditions and variability might affect their evolutionary ecology remains unknown. (karger.com)
  • In fact, the differences between the environments occupied by adjacent troops in well-known national parks may be as large or larger than the average differences in the ranges of different species, and this may have important implications for baboon biogeography. (karger.com)
  • The savannah baboons (genus Papio ) form a cluster of 6 closely related allotaxa, classified either as separate species (e.g. (karger.com)
  • Existing synthetic studies of individual baboon species' ranges and ecological niches, however, point to a complex relationship with the environment. (karger.com)
  • 2013] for the chacma baboon, for instance, suggested this species actually prefers cool, low-altitude habitats with moderate rainfall and may only use the marginal Drakensberg environments as a result of interactions with humans, and the study by Zinner et al. (karger.com)
  • Responses of four ungulate species to experimental playback of baboon loud calls. (upenn.edu)
  • A novel adenovirus species associated with an acute respiratory outbreak in a baboon colony and evidence of coincident human infection. (snprc.org)
  • The Kinda baboon [1] ( Papio kindae ) is a species of baboon found in the Miombo forests of Angola, Zambia, the Democratic Republic of the Congo, and possibly western Tanzania. (bioexplorer.net)
  • however, adult males are about the same size as adult females of other baboon species. (bioexplorer.net)
  • Sexual dimorphism in Kinda baboons is more moderate than in other baboon species. (bioexplorer.net)
  • Compared to all other baboon species, the Kinda baboon is exceptionally docile and is characterized by a high level of male investment in male-to-female social relationships. (bioexplorer.net)
  • Male species join new groups and may rise in rank, but violent confrontations are generally avoided, unlike all other baboon species. (bioexplorer.net)
  • Some (older) classifications only list two species of the Papio genus, this one and the Hamadryas baboon. (bioexplorer.net)
  • Unlike many other baboon species, the Guinea baboon characteristically displays the same coat color on the cheeks, back, arms, and abdomen. (bioexplorer.net)
  • Baboons, for example, are a widespread group of monkeys, occurring through most of Africa, with one species (Hamadryas baboons) extending their range across the Red Sea into Saudi Arabia and Yemen. (michael-lawrence-wilson.com)
  • Even though baboons are among the most intensively studied nonhuman primates, no one seems to about how many different baboon species there are, and what they should be called. (michael-lawrence-wilson.com)
  • Interbreeding occurs among all these different kinds of baboons where their ranges overlap, so from the point of view of the traditional biological species concept, they are different species. (michael-lawrence-wilson.com)
  • Moreover, as more studies are conducted of other baboons, it has become clear that each of these species (or subspecies) differs from others. (michael-lawrence-wilson.com)
  • Alternatively, sex-specific selection pressures could produce correlated effects in the other sex, resulting in larger brain structures for both males and females of a species. (biomedcentral.com)
  • Species with a higher degree of male intra-sexual selection carry a neural signature of an evolutionary history centered on physical conflicts, but no traces of increased demands on sociocognitive tasks. (biomedcentral.com)
  • We used phylogenetic comparative methods to investigate whether two types of selection in relation to sex-intra-sexual selection on males through male-male physical competition and social selection in females-have had predictable effects on species-typical brain structures in primates. (biomedcentral.com)
  • To be successful in male-male physical competition, a primate male in a polygynous species not only needs to be large and have imposing canines, but also to display, control and use his weapons and size effectively. (biomedcentral.com)
  • Arnold, 2009], and the Papio baboons as a whole are amongst the most successful African primates [Barrett and Henzi, 2008]. (karger.com)
  • The superficial veins of the forelimb show high variability, both in man and in other primates, regarding the number of main venous trunks, their course, as well as the origin and location of openings. (hindawi.com)
  • If you happen to have baboon images from this region which you are willing to share, please send a copy to [email protected] together with your full name (so that we can acknowledge you accordingly) and the coordinates or a detailed locality description of your record or post them in the 'Primates of Eastern Africa' Project on www.inaturalist.org . (wildsolutions.nl)
  • But calling them all subspecies of Papio hamadryas seems odd because Hamadryas baboons are the most distinctive baboons of all: the males have showy capes and tufted tails, and their societies have an unusual multi-level structure quite different from the usual troops of "savanna baboons. (michael-lawrence-wilson.com)
  • The Guinea baboon [1] (Papio papio) is a baboon of the Old World monkey family. (bioexplorer.net)
  • Consequently, Guinea baboons mainly sleep in large kapok trees or palm trees . (bioexplorer.net)
  • Among the vocalizations of Guinea, baboons are several loud calls that can be heard over great distances and quieter calls that are typically used in more intimate settings. (bioexplorer.net)
  • Guinea Baboon" Bio Explorer, October 01 2023. (bioexplorer.net)
  • Kunz and Linsenmair, 2008], although there is also evidence for some overarching patterning in baboon-environment relationships at the genus scale. (karger.com)
  • Their fur is slightly longer and much softer than other baboons in the Papio genus. (bioexplorer.net)
  • Male reproductive senescence: the price of immune-induced oxidative damage on sexual attractiveness in the blue-footed booby. (weebly.com)
  • Sperm are the male reproductive cells (gametes). (mediastorehouse.com)
  • The reproductive cycle of the gelada baboon. (ox.ac.uk)
  • The key male reproductive organ in humans is the testes. (biomedcentral.com)
  • They have two main functions: the efficient production of sperm (spermatogenesis) over a male's reproductive life span and the synthesis of hormones necessary to develop male sex characteristics. (biomedcentral.com)
  • Due to the very high number of mitotic replications of spermatogonia and the subsequent critical reduction of chromosome number in spermatocytes to the haploid state, the male reproductive system needs to maintain and protect the genomic integrity in the spermatocytes against the accumulation of DNA replication errors and exposure to environmental mutagens. (biomedcentral.com)
  • Her dissertation examined the maturation and dispersal of male baboons. (wikipedia.org)
  • Early in her career, her research focused largely on the behavior of male baboons through dispersal, mate guarding, social rank within the group, while later in her research career, she expanded her inquiry to include life history, epigenetics, endocrinology, and mating systems of both sexes. (wikipedia.org)
  • Resting sites are significant limiting factors in the dispersal and movement of baboons. (bioexplorer.net)
  • Cox LA, Li C, Glenn JP, Lange K, Spradling KD, Nathanielsz PW, Jansson T. Expression of the placental transcriptome in maternal nutrient reduction in baboons is dependent on fetal sex. (snprc.org)
  • Effect of maternal baboon (Papio sp. (bvsalud.org)
  • His current interests focus on a feature of primate biology that largely differentiates these animals from most other mammals: cohesive social bonds between adult males and females persisting beyond estrus. (rutgers.edu)
  • Moreover, at least one study on a wild primate reports a lack of tactical deception in a context (that is, sneak copulations), where it would presumably benefit a subordinate male 22 . (nature.com)
  • The Chacma Baboon is a large primate with a dog-like face and large, prominent canines. (krugerpark.co.za)
  • as well as the practical requirement for primate female and male intimate signals [elizabeth.grams. (tune.co.ug)
  • Sexual selection on males and social selection on females have exerted different effects on primate brain architecture. (biomedcentral.com)
  • She currently co-directs the Amboseli Baboon Research Project with Jeanne Altmann of Princeton University. (wikipedia.org)
  • Davidian E, Surbeck M, Lukas D, Kappeler PM , Huchard E (2022) The eco-evolutionary landscape of power relationships between males and females. (dpz.eu)
  • Golden in color, the Kinda Baboon has a light build and a slim, slender appearance. (bioexplorer.net)
  • The Kinda baboons have a shorter snout and pink rings around the eyes. (bioexplorer.net)
  • Kinda Baboon" Bio Explorer, November 29 2023. (bioexplorer.net)
  • To meet our objectives, we will collect a range of behavioral, spatial, and ecological survey data from two troops of wild chacma baboon. (wennergren.org)
  • Because troops are inclined to raid commercial crops, baboons are not popular with maize and fruit farmers. (krugerpark.co.za)
  • Taken by one of the docents outside of the Congo Exhibit, of me holding my sketchbook, with a drawing of a (male) gorilla). (fredadell.com)
  • He uses the comparative approach and field experiments to understand the behavioral and ecological bases of variation in male-female social relationships. (rutgers.edu)
  • 150 serum samples from wild-caught baboons ( Papio sp. (cdc.gov)
  • In subsequent years, an additional 276 serum samples from baboons in Kenya supported the absence of T. pallidum in- Seroprevalence of fection. (cdc.gov)
  • A recent study of male gelada ( Theropithecus gelada ) vocal sequences provided evidence for just such a trade-off: a negative correlation was found between the number of calls in a sequence and the average duration of these constituent calls [ 20 ]. (biomedcentral.com)
  • The effects of upheavals in the male hierarchy on the physiology of 18 females in a baboon group living in the Moremi Game Reserve, Botswana are assessed. (readabstracts.com)
  • Dunbar [1988], for example, suggested that the use of arid areas with low food densities might be responsible for the hamadryas baboon's unique social system, while the chacma baboon is also called the 'mountain' baboon for its use of the Drakensberg mountains [Henzi and Barrett, 2003]. (karger.com)
  • Chacma Baboon inhabits woodlands, semi-deserts, and sub-alpine meadows along the Drakensberg. (krugerpark.co.za)
  • Lifetime Fitness in Wild Female Baboons: Trade-Offs and Individual Heterogeneity in Quality. (wikipedia.org)
  • The aim is to understand the evolution of male infanticide and female counter-strategies to infanticide. (rutgers.edu)
  • Social bonds in female baboons: The interaction between personality, kinship, and rank. (upenn.edu)
  • Variation in personality and fitness in wild female baboons. (upenn.edu)
  • Evidence for intrasexual selection in wild female baboons. (upenn.edu)
  • Stability of partner choice among female baboons. (upenn.edu)
  • Strong and consistent social bonds enhance the longevity of female baboons. (upenn.edu)
  • Contingent cooperation in wild female baboons. (upenn.edu)
  • The varying influence of older siblings in rank acquisition by female baboons. (upenn.edu)
  • The benefits of social capital: Close social bonds among female baboons enhance offspring survival. (upenn.edu)
  • A mature male measures 1.5 m from head to tail and weighs up to 33 kg, whereas the more slender female measures 1.1 m and has a mass of about 15 kg. (krugerpark.co.za)
  • Walking speed declines with age in male and female baboons (Papio sp. (bvsalud.org)
  • I Then led a ebook Tonight We Die As Men that entered like that on the innovation, and while the type met subject, the background page received a female Essence who would realize you in the lenses and form so if looking the petition would suggest him better. (impactmkt.com)
  • Female mate choice based upon male motor performance. (weebly.com)
  • Rhesus monkeys represent a female-bonded group and hamadryas baboons represent a non-female-bonded group. (readabstracts.com)
  • Analysis of behavioural data indicated that elevated female faecal glucocorticoid concentrations were unrelated to male aggression towards females, female-female agression, or rates of female-female grooming. (readabstracts.com)
  • The degree of male intra-sexual selection was not correlated with relative neocortex size, which instead was significantly positively correlated with female social group size, but negatively correlated with male group size. (biomedcentral.com)
  • Absolutely magnificent female African Chacma Baboon taxidermy mount. (safariworkstaxidermysales.com)
  • Results indicate that spatial and temporal conditions affect foraging competition in rhesus monkeys and only temporal conditions affected hamadryas baboons. (readabstracts.com)
  • Hamadryas baboons obtained more food, but rhesus monkeys had a more flexible foraging behavior. (readabstracts.com)
  • The Emmen baboons had similar scares in 1994, 1997 and 2007 and some would have experienced the previous hysteria, as hamadryas baboons can reach the age of 30, Mr Landman said. (blogspot.com)
  • I am studying variation within and between both populations of baboons, collecting genetic, experimental, and observational data that will clarify the causal and functional bases of sexually selected infanticide and heterosexual bonds in a multi-male social setting. (rutgers.edu)
  • Understanding the sources of variation among baboon populations can thus provide useful insights into the adaptations, evolutionary divergence, and diversity observed in the hominin lineage. (wennergren.org)
  • In the Cape Peninsula, their southern-most range, the Baboons clash with humans by raiding houses and storerooms, a situation that has led to much debate and many accusations - with no solution in sight. (krugerpark.co.za)
  • The chacma baboon, also known as the Cape baboon, is, like all other baboons, from the Old World monkey family. (safariworkstaxidermysales.com)
  • Musth, a condition exhibited periodically by adult male elephants 43 , is associated with increased aggressive behaviour 11,41,43 and creates serious problems in the management of captive and free-ranging elephant bulls. (scielo.org.za)
  • Zoologists are puzzled by the strange behaviour of hamadryas baboons at the Emmen zoo in in the Netherlands. (blogspot.com)
  • The behaviour started on Monday evening, and only now are the 112 baboons becoming their normal, active selves again, said a biologist at Emmen Zoo. (blogspot.com)
  • Notably, her work has found links between longevity and social relationships within baboon groups, with cohesive group-living having benefits for surviving environmental stresses. (wikipedia.org)
  • Her research broadly studies how animal behavior evolved in mammals, with a specific focus on the social behavior, demography, and genetics of the yellow baboon, although some of her work has included the African elephant. (wikipedia.org)
  • One well-known instance of this process in mammals is male-male competition for sexual access to females, which has resulted in a diverse array of characters important for males in conflict situations [ 12 , 13 ]. (biomedcentral.com)
  • The baboons' ecological flexibility and biogeographic spread makes them interesting in their own right, as well as a potential source of analogies for understanding early hominins [Jolly, 2001]. (karger.com)
  • Perhaps a man will seek out and view more porn if he already has less of the gray matter for sexual arousal. (blogspot.com)
  • Testosterone (T) is often positively associated with male sexual behavior and negatively associated with paternal care. (ac.ke)
  • Sexual Selection for Male Sacrifice in the Australian Redback Spider. (weebly.com)
  • Sexual selection on males can be predicted to influence brain components handling sensory-motor skills that are important for physical competition or neural pathways involving aggression. (biomedcentral.com)
  • The degree of male intra-sexual selection was positively correlated with several structures involved in autonomic functions and sensory-motor skills, and in pathways relating to aggression and aggression control. (biomedcentral.com)
  • Once ranging over most of northeastern Africa to Arabia, the Hamadryas Baboon now occurs in parts of Ethiopia (into Sudan & Somalia) and an isolated population in Yemen. (fredadell.com)
  • Of particular interest are the affiliative bonds between males and lactating females, known as "friendships. (rutgers.edu)
  • Mammalian males compete for a non-sharable resource (receptive females) and are typically the dispersing sex, thus cooperation between males may appear counterintuitive. (uni-goettingen.de)
  • The Chacma baboon is replaced in the north by its close relative, the yellow baboon. (krugerpark.co.za)
  • Specifically, we ask whether high predation pressure combined with limited sleeping site availability (i) represents the conditions required for the emergence of high-level social linkages, (ii) promotes coordinated inter-troop movements, and, (iii) drives a shift in internal socio-spatial dynamics linked to males. (wennergren.org)
  • Mr Landman said he had consulted a French baboon expert who had witnessed such baboon hysteria in the wild, triggered by awareness of a predator. (blogspot.com)
  • The Papio baboons are known for their ecological flexibility and wide geographic ranges, as well as their uncertain taxonomy. (karger.com)