An international team of researchers from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, conducted behavioral observations and collected urine samples for cortisol analysis of male chimpanzees ...
Plants & Animals
Apr 5, 2019
0
66
Compared to other animals, chimpanzees show tremendous variation across groups in their behavior—from the types of tools they use in their feeding behavior to the specific gestures they use in communication. Research in ...
Plants & Animals
Mar 7, 2019
2
93
In a new study, Leipzig researchers collected feces from chimpanzees living at Taï National Park, Ivory Coast, and analyzed chewing efficiency during dry and rainy periods. They found that increased dust loads during dry ...
Plants & Animals
Mar 6, 2019
0
24
Chimpanzees have a more elaborate and diversified material culture than any other nonhuman primate. Their behavior varies across tropical Africa in a way that does not always correspond to ecology. For instance, only West ...
Plants & Animals
Feb 26, 2019
1
416
At some point during human evolution, a handful of genetic changes triggered a dramatic threefold expansion of the brain's neocortex, the wrinkly outermost layer of brain tissue responsible for everything from language to ...
Evolution
Feb 8, 2019
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254
Humans consider themselves as the tool user par excellence. Previous work comparing human tool use skills to that of other species tended to place the animals in artificial conditions far removed from their natural environments. ...
Plants & Animals
Feb 7, 2019
1
91
Richard Wrangham has been studying chimpanzees at the Kibale Chimpanzee Project in Uganda since 1987, when he founded the research center. A student of famed primatologist Jane Goodall, Harvard's Ruth B. Moore Professor of ...
Evolution
Jan 29, 2019
0
2
A team of researchers affiliated with the Max Planck Institute for Evolutionary Anthropology, Yale University and the University of Göttingen, has found that older children are more likely to make seemingly irrational decisions ...
When it comes to cooperation, there's no monkey business in how some chimpanzees respond.
Plants & Animals
Oct 29, 2018
0
148
Chemical communication is widely used in the animal kingdom to convey social information. For example, animals use olfactory cues to recognize group or family members, or to choose genetically suitable mates. In contrast ...
Plants & Animals
Oct 23, 2018
1
103
