Orangutan Evolution
Orangutan Evolution
There is evidence to suggest that orangutans evolved more than 70 million years ago. They
are part of the ape family. Up until about 20 million years ago all apes were in the same category. It is believed
that they branched off at that point into two distinct groups. The first is the greater apes which include
gorillas, chimpanzees, and orangutans. They also differentiated in locations around this time as well.
Today there are only two species of orangutans left in the world. They are distinct enough due to their location
to be considered separate species. Yet they are still very closely related genetically. In fact, the two species of
orangutans can breed with each other without any problems. It has only been in the past 2 million years that the
orangutan has taken on the form that we are familiar with today. It was a slow process though and one that still
has many missing segments to it.
It is believed that approximately 10,000 years ago orangutans were found in more of a distribution pattern than
today. They are limited to only a few regions of Asia today and that land continues to be taken from them every
day. Some of the areas where orangutans used to inhabit include China, Indonesia, and Malaysia.
Based upon the fossils that have been located, it is known that orangutans extended as far south as Java at one
point in time. These fossils are approximately 40,000 years old. Along the highlands of Sumatra there are fossils
that date to about 35,000 years. What is believed is that in both of these areas the orangutans were used as a
source of meat for the people living in the areas. However, since the population was relatively small and the tools
not very advanced it isn’t believed that they were consumed in a large amount.
There is also evidence including cave drawings to indicate that the use of orangutans as pets occurred in very
early times. These orangutans were likely the beloved pets of cavemen that lived there. However, there are also
indications that some of them were merely raised by the cavemen until they needed additional food sources. It was
easier to breed them and to keep them than to have to go back into the forests to find them.
We do have more evidence about the evolution of orangutans than many other animals. This is important because it
can help to pave the way for more links of the great apes and even to humans to be examined. There are people on
both sides of it about the evolution theory that people came from apes. When you examine the DNA though you can’t
deny that they are extremely similar in about 98% of the genetic coding.
While we do know quite a bit about the evolution of orangutans, there is still a great deal about them that we
don’t know. Efforts to put together more information has been put aside for now. With the more pressing issue of if
the orangutans will continue to survive it is understandable that money and time are being spent on that cause
instead.
Hopefully with the right conservation efforts and plenty of education we can get their numbers back up. Only
then will researchers once again feel comfortable enough to get back to the theories that remain about their
evolution process. These are amazing animals and they certainly have been able to adapt to many changes in their
environment. Yet they aren’t a match for the desires of humans. Ironically, it is the choices of humans that have
threatened them and also the choices of humans that can safe them.
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