Chimpanzees Current Events

Chimpanzees Current Events, Chimpanzees News Articles.
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Chimpanzees' working memory similar to ours
Working memory is central to our mental lives; we use it to add up the cost of our shopping or to remember the beginning of this sentence at its end. Some scientists argue it is particularly developed in humans, but how do chimpanzees, one of our closest relatives, compare? Researchers from the University of St. Andrews, the Max Planck Institute for Evolutionary Anthropology, and the University of Veterinary Medicine Vienna set out to answer this question. (2019-07-23)

Chimps and bonobos had a fling in the past
A new whole-genome analysis of chimpanzees and bonobos reveals that these two great ape species likely interbred several hundred thousand years ago. (2016-10-27)

Chimpanzee self-control is related to intelligence, Georgia State study finds
As is true in humans, chimpanzees' general intelligence is correlated to their ability to exert self-control and delay gratification, according to new research at Georgia State University. (2018-02-08)

Before sounding an alarm, chimps consider their audience
It's a basic rule of effective communication: consider your audience. According to a new report published online on Dec. 29 in Current Biology, a Cell Press publication, that rule of thumb is not lost on wild chimpanzees. Chimps are more likely to make an alarm call about the presence of a snake when others in the group are unaware of the apparent danger they face, the new evidence shows. (2011-12-29)

New insights into chimpanzees, tools, and termites from the Congo basin
From six-months of remote video surveillance at termite nests, we provide the first descriptions of the form and function of two distinct tool sets used by chimpanzees in preying upon termites in central Africa. (2004-11-09)

Mother chimps crucial for offspring's social skills
Orphaned chimpanzees are less socially competent than chimpanzees who were reared by their mother. (2013-09-06)

Chimpanzees react faster to cooperate than make selfish choices
When it comes to cooperation, there's no monkey business in how some chimpanzees respond. (2018-10-29)

Chimpanzees are 'indifferent' when it comes to altruism
New research into chimpanzees suggests that, when it comes to altruistically helping a fellow chimpanzee, they are 'indifferent.' (2016-12-20)

Developmental delay may explain behavior of easygoing ape species
New research suggests that evolutionary changes in cognitive development underlie the extensive social and behavioral differences that exist between two closely related species of great apes. The study, published online on Jan. 28 in Current Biology, a Cell Press publication, enhances our understanding of our two closest living relatives, chimpanzees and the lesser-known bonobos, and may provide key insight into human evolution. (2010-01-28)

Chimpanzees learn 'food calls'
Chimpanzees living in captivity are capable of learning calls that refer to specific food items. This was shown by an evolutionary biologist from the University of Zurich together with English researchers. They now published a behavioral study suggesting, that great apes are capable of referring to objects and socially learn meaningful calls. (2015-02-05)

Tool use is 'innate' in chimpanzees but not bonobos, their closest evolutionary relative
First evidence for a species difference in the innate predisposition for tool use in our closest evolutionary cousins could provide insight into how humans became the ultimate tool-using ape. (2015-06-16)

PETA calls for wider acknowledgement of IOM report on chimpanzee research
In a new letter published in the journal Blood, People for the Ethical Treatment of Animals calls for greater acknowledgement by the scientific community of a landmark Institute of Medicine report that concluded, (2012-09-26)

Scientists find cultural differences among chimpanzee colonies
Socially-learned cultural behavior thought to be unique to humans is also found among chimpanzees colonies, scientists at the University of Liverpool have found. (2008-01-09)

Botanists in the rainforest
Chimpanzees use botanical skills to discover fruit. (2013-04-10)

Young chimps top adult humans in numerical memory
Young chimpanzees have an (2007-12-03)

Chimpanzees can learn how to use tools without observing others
New observations have lead researchers to believe that chimpanzees can use tools spontaneously to solve a task, without needing to watch others first. (2017-09-28)

Chimpanzees catch and eat crabs
Chimpanzees have a mainly vegetarian diet, but do occasionally eat meat. Researchers at the University of Zurich have now shown for the first time that chimpanzees also eat crabs. In the rainforest of Guinea, the researchers observed how chimpanzees regularly fish for crabs. (2019-05-29)

'Grass-in-the-ear' technique sets new trend in chimp etiquette
Chimpanzees are copycats and, in the process, they form new traditions that are often particular to only one specific group of these primates. Such are the findings of a group of scientists, who waded through over 700 hours of video footage to understand how it came about that one chimpanzee stuck a piece of grass in her ear and started a new trend. The findings of the study are published in Springer's journal Animal Cognition. (2014-07-03)

Study finds chimps can use gestures to communicate in hunt for food
Chimpanzees are capable of using gestures to communicate as they pursue specific goals, such as finding a hidden piece of food, according to a new Georgia State University research study. (2014-01-17)

Chimpanzees are rational, not conformists
Chimpanzees are sensitive to social influences but they maintain their own strategy to solve a problem rather than conform to what the majority of group members are doing. However, chimpanzees do change their strategy when they can obtain greater rewards, MPI researchers found. (2013-12-13)

Children, not chimps, choose collaboration
When all else is equal, human children prefer to work together in solving a problem rather than on their own. Chimpanzees, on the other hand, show no such preference. That's according to a study of 3-year-old German kindergarteners and semi-free-ranging chimpanzees reported online on Oct. 13 in Current Biology, a Cell Press publication. (2011-10-13)

Early maternal loss has lifelong effects on chimpanzees
Wild-caught chimpanzees, who were orphaned and imported from Africa in their early infancy, exhibit an impaired social behaviour also as adults. So far long-term effects of early traumatic experiences on social behaviour were known only for humans and socially isolated chimpanzees. An Austrian-Dutch research team led by Elfriede Kalcher-Sommersguter and Jorg Massen published these results in the scientific journal Scientific Reports. (2015-11-10)

Ability to 'think about thinking' not limited to humans
Humans' closest animal relatives, chimpanzees, have the ability to (2013-04-03)

From Beethoven to Bieber, why playing music to chimps is falling on deaf ears
Playing music to captive chimpanzees has no positive effect on their welfare, researchers have concluded. (2017-03-29)

Chimpanzee cooperators
In the animal kingdom cooperation is crucial for survival. Predators hunt in prides and prey band together to protect themselves. Yet no other creature cooperates as successfully as we do. But where did this ability come from, and is it uniquely human? In a new study to be published in Science on 3 March 2006, Alicia Melis and co-authors from the Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany show that our close relatives, chimpanzees, are much better cooperators than we thought. (2006-03-02)

Resolving Conflicts -- What We Can Learn From The Apes
Research in chimpanzees by Frans de Waal at Yerkes Primate Research Center shows that conflict and conflict resolution are integrated parts of social relationships, determined by social factors and modifiable by the social environment. (1999-01-24)

Who's bad? Chimps figure it out by observation
Chimpanzees make judgments about the actions and dispositions of strangers by observing others' behavior and interactions in different situations. Specifically, chimpanzees show an ability to recognize behavioral traits and make assumptions about the presence or absence of these traits in strangers in similar situations thereafter. These findings, by Dr. Francys Subiaul -- from the George Washington University in Washington, D.C. -- and his team, have just been published online in Animal Cognition, a Springer journal. (2008-03-26)

'Junk DNA' defines differences between humans and chimps
DNA sequences for human and chimpanzees are nearly identical, despite vast phenotypical differences between the two species. Georgia Tech researchers have determined that the insertion and deletion of large pieces of DNA near genes are highly variable between humans and chimpanzees and may account for these major differences. (2011-10-25)

Children prefer cooperation
Children, but not chimpanzees, prefer to collaborate. (2011-10-13)

Nurtured chimps rake it in
Human interaction and stimulation enhance chimpanzees' cognitive abilities, according to new research from the Chimpanzee Cognition Center at the Ohio State University. The study is the first to demonstrate that raising chimpanzees in a human cultural environment enhances their cognitive abilities, as measured by their ability to understand how tools work. The findings have just been published online in the Springer journal Animal Cognition. (2007-06-13)

Right-handed chimpanzees provide clues to the origin of human language
A new study suggests a link between chimpanzee gestures and the evolution of speech. (2009-11-16)

Chimpanzees modify grooming behavior when near higher ranking members
Chimpanzees modify grooming behavior when near higher ranking members. (2017-06-21)

Study: Bonobos may be better representation of last common ancestor with humans
A new study examining the muscular system of bonobos provides firsthand evidence that the rare great ape species may be more closely linked, anatomically, to human ancestors than common chimpanzees. (2017-04-28)

Chimpanzee intelligence depends on genes
Some chimpanzees are smarter than others, and about half of that variation in intelligence depends on the genes that individuals carry and pass on from one generation to the next. The findings reported in the Cell Press journal Current Biology on July 10 show that those genetic differences will be key to understanding the cognitive abilities of primates and their evolution over time. (2014-07-10)

Neighboring chimp communities have their own nut-cracking styles
People don't always do as their neighbors do, and the same is true of neighboring chimpanzees. That's according to a report published online on May 10 in the Cell Press journal Current Biology featuring observations of wild chimps as they used hammers to crack nuts. (2012-05-10)

In the wild, chimpanzees are more motivated to cooperate than bonobos
Scientists investigated cooperation dynamics in wild chimpanzees (Tai, Ivory Coast) and bonobos (LuiKotale, DCR) using a snake model. While chimpanzees cooperate to defend their territory, bonobos do not. The study reveals no differences in both species' social intelligence but supports theories linking territoriality and in-group cooperation in humans since chimpanzees were more motivated to cooperate by informing others of a threat as compared to bonobos. (2020-06-24)

Majority-biased learning
In humans and chimpanzees knowledge is transmitted within a group by means of a majority principle. (2012-04-12)

Listen up, parents: For toddlers (and chimps), the majority rules
A study published online on April 12 in the Cell Press journal Current Biology offers some news for parents: even toddlers have a tendency to follow the crowd. That sensitivity isn't unique to humans either; chimpanzees also appear more likely to pick up habits if (2012-04-12)

Chimpanzee ground nests offer new insight into our ancestors descent from the trees
The first study into rarely documented ground-nest building by wild chimpanzees offers new clues about the ancient transition of early hominins from sleeping in trees to sleeping on the ground. While most apes build nests in trees, this study, published in the American Journal of Physical Anthropology, focused on a group of wild West African chimpanzees that often shows ground-nesting behavior. (2012-04-16)

Chimpanzees: Travel fosters tool use
Chimpanzees traveling far and for longer time periods use tools more frequently to obtain food. This conclusion results from an analysis of seven years of field experiments conducted at the University of Neuch√Ętel and the University of Geneva. In an article recently accepted for publication by the scientific journal eLife, researchers show that similar to how bipedalism developed during evolution, using tools can be seen as a compensation of energy costs undertaken when moving around. (2016-07-19)

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