Tag: "sociality" at biology news
Brains reflect sex differences
...al primate species in order to assess sex-specific sociality
- the tendency to associate with others and form social groups. The researchers then studied the differences between 21 primate species, which included chimpanzees, gorillas, and rhesus monkeys, using statistical techniques that incorporate evolution...
First evidence to show elephants, like humans, apes and dolphins, recognize themselves in mirror
...nt cognitive evolution possibly related to complex sociality
and cooperation." Scientists have tested mirror self-recognition in a variety of animals other than humans and great apes, but invariably failed, with the exception of the bottlenose dolphin. "After the recent discovery that dolphins are capable of ...
Groups and grumps: Study identifies 'sociality' neurons
...ossible to attribute that dimension in this case, sociality
to differences in a particular brain function. Traveling as far as South Africa to collect the appropriate birds, Goodson focused on five species of closely related waxbills and finches: the melba finch, the violet-eared waxbill, the Angolan blue ...
Ancient DNA provides clues to the evolution of social behavior
... to the population crash. ''Maybe the evolution of sociality
actually confers some advantage to withstanding pe...ty,'' she says. ''Most behaviorists would say that sociality
is so complicated that it takes a while to evolve, but maybe if a species has to be social to surviv...
Sociality of sweat bees evolved simultaneously during climate change
...Danforth. "It's also news to us that the origin of sociality
in halictid bees was so recent." Once the team dated the evolution of the social behaviors to just 20 million to 22 million years ago, they researched what might have been going on in this time frame that would trigger the development of social behav...
Study in Royal Society journal on first evidence for magnetic field detection in sharks
...D-10115, Germany Neuro-evolutionary patterning of sociality
by Dr JL Goodson Although birds and mammals have not shared a common ancestor for almost 300 million years, new findings show that the brain areas that activate during social interactions in birds are strikingly similar to those in mammals. This sug...