The virology experts from the University's Vet School have carried out an investigation into the cancer outbreak which was caused by
the gibbon ape leukemia retrovirus (GALV).
The latter infect vertebrates ranging from
gibbon apes to koala bears to reptiles to domestic cats and are known to cause leukemia, as well as neurological disease.
Falk suspects the size discrepancy can be linked to the philandering tendencies of our primate ancestors.Falk found that like humans, male rhesus monkeys had larger brains than females, while male and female
gibbon apes were equally endowed.
Not exact matches
However, 98 % of our DNA is identical to that of a subspecies of chimpanzee called the «bonobo», next in relation is the other subspecies of chimpanzee (the better know «common chimpanzee»), then gorillas, then orangutans, then the lesser
apes «
gibbons.»
n. Umbrella term for the primate superfamily, Hominoidea:
gibbons, great
apes (gorillas, orangutans, and chimpanzees), and humans.
Given the cerebellum's functions, Barton suggests it may have started with the first
apes learning to swing from branch to branch, as modern
gibbons do.
Until now, we knew little about this bone's natural history, except that it is present in Old World monkeys and
gibbons but generally not in our more recent
ape relatives.
Videos of two captive white - handed
gibbons (Hylobates lar) leaping from one branch of a jungle gym to another reveal that the
apes break the record for work per mass performed in a single movement by any other species to date.
«There are numerous fossil
apes, monkeys, and even more primitive fossil primates that look a bit like
gibbons,» explains Christopher Gilbert of the City University of New York, a member of the team that analysed the fossil.
To work out just how different, Denion's team examined 100 modern human skulls and 120
ape skulls — 30 each belonging to
gibbons, orangutans, gorillas and chimpanzees.
A peculiar Spanish fossil from 11.6 million years ago suggests that the ancestor of all
apes might have been more like
gibbons and less like great
apes
On the contrary, the findings of this new study suggest that the ancestor of all
apes lived in an environment that favored a
gibbon - like size, an
ape of about five kilograms.
«Last
ape and human ancestor was about the size of a
gibbon.»
A
gibbon - like size has a range of consequences for existing models of
ape evolution.
The
gibbons, known as small
apes are genetically farther from humans than the great
apes chimpanzees, bonobos, gorillas and orang - utans.
Their first appearance can be traced back with a high probability to the time of the splitting of the
gibbons from the line of
apes and humans.
Comparisons with the genome data of humans and our closest relatives, the great
apes, show that while we all genetically have the same ancestors, the genetic information of the
gibbons has changed more rapidly and stronger in the course of the evolutionary process.
This «chromosomal disorder» is a key feature of the
gibbon genome and has probably occurred after their secession from the ancestral line of the
apes and humans.
In their genome analysis, the researchers discovered that the genetic information of the
gibbons differs in their entirety from that of humans and of
apes.
But this time, she focused on
gibbons, a type of
ape.
Liz wanted to see how each
gibbon interacted both with zoo visitors and other
apes of its species.
German scientists tended to the view that the skullcap was that of a giant
ape such as a
gibbon, while English scientists tended to view it as a human, coming from either a primitive or a pathological individual, but there were plenty of other opinions.
Under this scheme, Java Man, especially if reconstructed with
gibbon - like body proportions, had an index of 1/2, which placed it nicely in the gap between
apes and humans.
In a study published in the Journal of Anatomy in April, researchers led by Katharine Balolia, from the Australian National University, examined the sagittal crests — a bony arch at the top of the skull — of great
apes and
gibbons.
Humans, other great
apes, and
gibbons, (but not more distantly related primates like baboons) can't dispose of the the waste product of purine metabolism (uric acid), and hence we're susceptible to gout when consuming carnivorous diets.
In the case of the Hainan
gibbon, a species of
ape in China, there are fewer than 30 animals left.»
Biologist Gabriella Skollar is a remarkable human being who has dedicated her life to the conservation of endangered, small, arboreal
apes known as
gibbons.