I meant to write about this a couple of months ago, after reading a story similar to this The original article I read, and forgot to bookmark, focused mainly on the process of how to train a gorilla to sit still for this kind of procedure (this article touches on that a little). I’m getting ahead of myself though. Heart disease is the number one killer of great apes in captivity. Getting a handle on that issue impacts their quality of life in captivity, attempts at conservation through reintroduction of animals into the wild, and, may say something about human evolution.
Species: Pongo abelii
Common Name: Sumatran Orangutan
The sumatran orang lives, obviously, in Sumatra – they are an endemic species. According several genetic analysis the Sumatran and Bornean populations diverged from each other about 1.5-1.7 MYA. They are largely frugivorous and spend most of their time in trees. On the ground they are quadrupedal. Unlike the chimpanzee, bonobo, and gorilla, they are not knuckle walkers they use their fist. Males tend to be solitary.
I mentioned a few weeks ago that I would have more to say about primates, brain evolution, and life history. I still plan on exploring that in future posts, but wanted to mention this interesting item that deserves a post of its own.
I’m currently trying to get through a rather lengthy book – which I will be reviewing in a later post – so in the meantime here is one from the archives… I wrote it back in April of 2005 and think I would write it somewhat differently today. I’ve toyed with doing a similar post on the post-crania …
One of the most aggravating things one can hear, if one has any training in paleoanthropology, is that the australopithicines were nothing but glorified apes. So let’s study the issue (hey, I have to justify the name of this blog, okay! Which means more hominids.) The first set of pictures below is a frontal view of A. afarensis, a chimp, an orang and a gorilla.