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UrduAn international research team led by the University of Vienna and the Medical University of Vienna has used long-term demographic data from Japanese macaques – a monkey species within the family of Old World monkeys – to show that, unlike humans, there is no maternal mortality in these primates linked to childbirth.
Tag: Primates
Colourful primates don’t have better colour vision, study finds
Primate species with better colour vision are not more likely to have red skin or fur colouration, as previously thought.
National Primate Research Center of Thailand Chulalongkorn University Symposium 2023
As its 11th-anniversary approaches, the National Primate Research Center of Thailand Chulalongkorn University (NPRCT-CU) and the Primates Enterprise Co., Ltd. are pleased to announce two events in February 2023:
Study shows differences between brains of primates — humans, apes and monkeys — are small but significant
While the physical differences between humans and non-human primates are quite distinct, a new study reveals their brains may be remarkably similar. And yet, the smallest changes may make big differences in developmental and psychiatric disorders.
Study reports first evidence of social relationships between chimpanzees, gorillas
A long-term study led by primatologist Crickette Sanz at Washington University in St. Louis reveals the first evidence of lasting social relationships between chimpanzees and gorillas in the wild.Drawn from more than 20 years of observations at Nouabalé-Ndoki National Park in the Republic of Congo, researchers documented social ties between individual chimpanzees and gorillas that persisted over years and across different contexts.
Research of a Wild Primate Shows Maternal Effects Key to Gut Microbial Development
A study of wild geladas provides the first evidence of clear and significant maternal effects on the gut microbiome both before and after weaning in a wild mammal. This study suggests the impact of mothers on the offspring gut microbiome community extends far beyond when the infant has stopped nursing.
Chimps, dreams, and videotape
KyotoU researchers have discovered a physical phenomenon that previously was only observed in human males.
Think fast! Clever monkeys plan their food trips to avoid stronger rivals
Vervet monkeys are quick and clever planners of the best route to follow on foraging trips, shows a new study.
What Big Teeth You Have: Tooth Root Surface Area Can Determine Primate Size
Researchers have developed formulas that can calculate the body size of a primate based on the root size of its teeth. The formulas could allow researchers to make use of partial and incomplete fossils in order to learn how ancient primates – including human ancestors – interacted with their environment.
That primate’s got rhythm!
Songbirds share the human sense of rhythm, but it is a rare trait in non-human mammals.
Primate mothers may carry infants after death as a way of grieving, study finds
Some primate species may express grief over the death of their infant by carrying the corpse with them, sometimes for months, according to a new UCL-led study – with implications for our understanding of how non-human animals experience emotion.
Study of Wild Geladas Reveals Mid-Size Group Living is Best for Survival and Fitness
A research team that includes Anthropology researchers from Stony Brook University has used 14 years of demographic data on multiple groups of wild geladas to determine that mid-size group living is best for fitness, essentially optimizing survival and reproduction.
Study Confirms Origin of Vervet Monkeys Living Near an Urban Airport for Decades
Scientists have confirmed the species and origin of a colony of wild African vervet monkeys that landed in Dania Beach more than 70 years ago. They escaped from the Dania Chimpanzee Farm in 1948 and settled in a thick mangrove forest near the Fort Lauderdale-Hollywood International Airport in South Florida. The facility acted as a zoo and also provided primates imported from Africa as research subjects in the development of the polio vaccine and other medical research.
Orangutan Finding Highlights Need to Protect Habitat
Wild orangutans are known for their ability to survive food shortages, but scientists have made a surprising finding that highlights the need to protect the habitat of these critically endangered primates, which face rapid habitat destruction and threats linked to climate change. Scientists found that the muscle mass of orangutans on the island of Borneo in Southeast Asia was significantly lower when less fruit was available. That’s remarkable because orangutans are thought to be especially good at storing and using fat for energy, according a Rutgers-led study in the journal Scientific Reports.
Apes show dramatically different early immune responses compared to monkeys
A new study out of the University of Chicago and the University of Illinois Urbana-Champaign in humans, chimpanzees, rhesus macaques and baboons has found key differences in early gene expression in response to pathogen exposure, highlighting the importance of choosing the right animal model for the right questions.
Scientists describe earliest primate fossils
A new study published Feb. 24 in the journal Royal Society Open Science documents the earliest-known fossil evidence of primates. These creatures lived less than 150,000 years after the Cretaceous-Paleogene mass extinction event that killed off non-avian dinosaurs and saw the rise of mammals.
Green in tooth and claw
Hard plant foods may have made up a larger part of early human ancestors’ diet than currently presumed, according to a new experimental study of modern tooth enamel from Washington University in St. Louis. The results have implications for reconstructing diet, and potentially for our interpretation of the fossil record of human evolution, researchers said.
Wound healing in mucous tissues could ward off AIDS
Some primates can carry SIV, a virus resembling HIV, lifelong and yet not develop AIDS. They are able to repair SIV damage to intestinal mucous tissues and avoid escape of gut bacteria and other events leading to immune system exhaustion. The findings offer clues for new HIV treatments
How our chocolate consumption threatens rare primates
In a recent article, the Washington Post discussed how the growth of the chocolate industry in Western Africa is leading to rapid deforestation. In a 2015 study, an Ohio State University anthropologist and his colleagues documented how illegal cocoa farms…