Talk:Ardipithecus

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Links added. - UtherSRG 16:18, Dec 18, 2004 (UTC)

faster bipedalism?

umm, surely bipedalism renders the creature slower not faster. Any four footed creature can run faster than a two legged primate. Surely the advantage of bipedalism is the ability to see further, since the eyes are higher? The evolutionary advantage of early bipeds was to hunt intelligently in groups, in the way chimpanzees can, not an ability to outrun something!! Another possible advantage of bipedalism is that you present a smaller area to the sun, and dont overheat in the daytime.

I see no evidence to support the idea that early bipeds could outrun even a small cat. Neither could we outstamina anything, outclimb anything, or out stealth anything. All we could do was outsmart the opposition!

Lincolnshire Poacher

don't discount bipedalism

Human walking is extremely efficient. No chimp can could come remotely close to the ability of a human to walk long distances while using little energy.

Daggers

Why are there dagger symbols next to each of the species? Can they be removed? Badagnani 00:51, 27 April 2007 (UTC)[reply]

Those indicate extinct. Do not remove them. - UtherSRG (talk) 01:16, 27 April 2007 (UTC)[reply]

References Badly Needed

I can't believe an article as important as this one includes no references. Please help supply some ASAP. --1000Faces (talk) 18:40, 31 December 2007 (UTC)[reply]

Conflicts

The article says that A. ramidus is "not considered a hominid ancestor," yet goes on to discuss how discovery of ardipithecus' bipedal traits challenge "current theories of the origins of hominid bipedalism." There is conflict within the statements of the article as to whether this Ardipithecus should be considered a hominid ancestor, and the sources cited appear to be in direct comflict on this issue. Aramink (talk) 00:58, 14 February 2009 (UTC)[reply]

The section headed "Criticism" mentions (without sources) that there are contentious accusations in the scientific community over the study of the creature, period. Perhaps a clarification of the conflicts and an explanation of what data is being withheld, and by whom, would give the reader of this article more information.Aramink (talk) 00:58, 14 February 2009 (UTC)[reply]

Ardi

The section on the recent (Oct 2009) discovery of "Ardi" needs expanding. The National Geographic article I cited contains much more discussion and speculation about the locomotion and behavior of A. ramidus, which could be incorporated into the "Lifestyle" section. Likewise, the cited article contains discussion about the "missing link" and an extra "previously unknown" period of human evolution. — Loadmaster (talk) 16:47, 1 October 2009 (UTC)[reply]

Ardi is not a "new" find. It is the original Ardipithecus fossils. What is happening is the scientists researching those fossils are about to publish the results of their decades of research. Some reporter apparently got excited and printed that they had some big new find, and the rest of the media ran with the "new find" angle. Here are some links to the actual scientific publication:

News release

http://www.aaas.org/news/releases/2009/1001sp_ardi.shtml

Central article collection point:

http://www.sciencemag.org/ardipithecus

Interview with lead researcher (audio):

http://sciencevideo.aaas.org/aaas/news/releases/2009/media/1001science_interview.mp3

Transcript of interview:

http://www.aaas.org/news/releases/2009/1001sp_ardi_interview.shtml

Summaries of articles:

http://www.aaas.org/news/releases/2009/1001sp_ardi_summaries.shtml

Press backgrounder:

http://www.aaas.org/news/releases/2009/1001sp_ardi_backgrounder.shtml - Oralloy (talk) 19:30, 1 October 2009 (UTC)[reply]

I have expanded the paragraph with a reference to the long period of study since the discovery, and the current announcement of its details. Should I say that the first analysis is complete and the discoverers are ready to place the skeleton in its proper context, or would that be an opinion? —--Monado (talk) 17:05, 2 October 2009 (UTC)[reply]

Oldest human ancestor

Regarding oldest fossil skeleton of a human ancestor:

This is completely wrong -- the oldest fossil skeletons of a human ancestor are probably early bony fish-like creatures. But I grok what the article is trying to say, I just don't know enough to repair it. Something like "earliest identified fossil skeletons of non-tree-dwelling hominid ancestors of humans"? But not that phrase. :-) Can someone clean that up -- syntactically and semantically -- and edit the page? Joshua McGee (talk) 02:39, 2 October 2009 (UTC)[reply]

On a re-read, it is (kinda) attributing the text to the team. Does someone have a direct quote? And if the quote is imprecise, could we have both a proper citation and a scientific elaboration of the significance of this find? Joshua McGee (talk) 05:31, 2 October 2009 (UTC)[reply]

Agree it's bullshit, but it is in the source National Geographic article. Perhaps the whole section could be replaced with one based on scholarly sources instead of popular media. BTW it's impossible to say whether any fossil skeleton is of a human ancestor or not. It may be a representative of a species ancestral to h.sapiens, but that is a different statement. Qemist (talk) 11:48, 2 October 2009 (UTC)[reply]

Science meets hollwood. Ardi looks like a less expensive edition of Ida. Wapondaponda (talk) 05:57, 2 October 2009 (UTC)[reply]

Eleven new articles in a special section of Science

There is a special section of the journal Science on Ardipithecus that just appeared online yesterday. http://www.sciencemag.org/ardipithecus/ This special section includes eleven new papers. Cheers, Edhubbard (talk) 14:33, 2 October 2009 (UTC)[reply]

I just finished reading a big part of it. Each of the 11 research articles is summarized in a less-technical author's summary, and there are two good news summaries and an editorial besides. The author's summaries seem to be free on line. They're very good, very comprehensive, and relatively easy to understand. --Nbauman (talk) 03:28, 8 November 2009 (UTC)[reply]

Life restoration

There is a life restoration of A. ramidus (based on the newly described material) that has been submitted for review at WikiProject Palaeontology's Paleoart review. Anyone is welcome to provide their input on it to make sure that the restoration is anatomically accurate before it is uploaded and put into the article.

Alternatively, someone could attempt to get permission from Science via email that would allow for some of the figures in the special issue to be used in the Wikipedia article. Smokeybjb (talk) 17:16, 3 October 2009 (UTC)[reply]

Ardi question

Ardi is referred to in some of the newspapers as 'a woman': at what point in the development of hominides is the transition from 'female of species X'/'male of species Y' to 'woman' and 'man'? Jackiespeel (talk) 22:10, 4 October 2009 (UTC)[reply]

BBC quote

Says the BBC:

Asked whether A. ramidus was our direct ancestor or not, the team said more fossils from different places and time periods were needed to answer the question.

"We will need many more fossil recoveries from the period of 3-5 million years ago to confidently answer that question in the future," the scientists said in a briefing document that accompanied their journal papers.

"But if Ardipithecus ramidus was not actually the species directly ancestral to us, she must have been closely related to it, and would have been similar in appearance and adaptation.

Is this actually a quote from something that I can link to? I can't track down this "briefing document"... Evercat (talk) 18:06, 5 October 2009 (UTC)[reply]

"canine cutting complex"

the presence of a "canine cutting complex"

What's this? There's no such phrase in the cited paper. Evercat (talk) 19:36, 5 October 2009 (UTC)[reply]

Meaning of Ardipithecus ramidus?

The article explains that kadabba comes from the Afar word for "basal family ancestor". What is the etymology of the words Ardipithecus and ramidus (in English, please)? It would also be good if you could cite the source(s). --RoyGoldsmith (talk) 00:30, 19 October 2009 (UTC)[reply]

I've added the requested information with this edit. Emw (talk) 02:17, 19 October 2009 (UTC)[reply]

Illustrations

I think we need some illustrations of Ardipithecus. I mean, there is a ton of great illustrators here on Wikipedia, like ArthurWeasley, for instance. Markunator (talk) 18:07, 25 October 2009 (UTC)[reply]

There is an illustration that I have made of Ardipithecus that is awaiting review (see the "Life restoration" section of this talk page), and will be put in the article once it is made sure to be accurate by other editors. Smokeybjb (talk) 18:50, 25 October 2009 (UTC)[reply]

Yeah, please head over to the review section for that image[1], people, most of the reviewers on the paleontology project are unfamiliar with non-human primate anatomy, I assume. AW has retired, by the way, but he never drew primates in any case. FunkMonk (talk) 17:25, 25 November 2009 (UTC)[reply]

A. ramidius or Ar. ramidus?

Science magazine uses Ar. ramidus. Anybody know why? Which one should we use? --Nbauman (talk) 03:29, 8 November 2009 (UTC)[reply]

I presume it would be to differentiate it from the genus Australopithecus, which is mentioned in the same article. Australopithecus has historical precedence. If both are used in the article (and it appears at this time that is true), then Ar. should be used for consistency. SkoreKeep (talk) 15:25, 24 November 2009 (UTC)[reply]

Restore summary?

I want to restore this edit and use it as a summary. http://en.wikipedia.org/w/index.php?title=Ardipithecus&action=historysubmit&diff=324679505&oldid=324660079

I had a long discussion about this with Evercat on my talk page. http://en.wikipedia.org/wiki/User_talk:Nbauman#Ardi_etc

Basically, my summary follows the summary in Science magazine. These are the issues that White and Lovejoy emphasized, and also the issues that the editors of Science magazine emphasized as important in their summary: Specifically, that (1) humans are not descended from chimpanzee-like ancestors, as some anthropologists, like the ones White cited, maintained; and that (2) the main significance of Ardipithecus is in the insight it gives on reproductive and social behavioral changes -- the things that make us human.

Don't forget, Wikipedia is written for the average person, not the specialist. These details about the geological strata and millions of years are meaningless to the average person. The average person couldn't define "hominin". The important message for everyone -- as White and Lovejoy keep emphasizing -- is the meaning of Ardi for our understanding of the social and behavioral evolution of humans.

I'd like to know how other editors feel about this and if anyone objects. --Nbauman (talk) 00:17, 25 November 2009 (UTC)[reply]

Note that this is still substantially there; I just reworded part of it, added a caveat about the dangers of using Ardi as a proxy for the MRCA of chimps and humans, and moved it down. Are you happy with the paragraph as it stands? I don't really mind it being moved upwards. Evercat (talk) 17:21, 25 November 2009 (UTC)[reply]

Brain size

Is this quote right? "... & slightly over 20% the size of the modern Homo sapiens brain."

Ardipithecus had a small brain, & yet its bigger than modern homo sapiens? —Preceding unsigned comment added by 115.130.4.15 (talk) 01:42, 7 December 2009 (UTC)[reply]

I meant that Ardipithecus's brain was something like 20.4% the size of a typical human brain. However I see how readily that can be misinterpreted (e.g., 20% over (i.e. greater than) the size of the modern human brain), so I've rephrased it to "roughly 20% the size". Thanks for pointing that out. Emw (talk) 02:57, 7 December 2009 (UTC)[reply]

Bidepalism

Bipedalism had the advantage of allowing Ardipithecus to carry more food. This meant that they could also provide for their partner and offspring. Which helped with the survival and success of the species. (Source: Discovery Channel Documentary)

Yes, bipedalism is probably a more efficient way of getting around, and so less energy and food is required. —Preceding unsigned comment added by 115.130.4.15 (talk) 02:03, 7 December 2009 (UTC)[reply]

Ardipithecus kadabba

Ardipithecus kadabba is "known only from teeth and bits and pieces of skeletal bones", and is dated to approximately 5.6 million years ago. The sources for this first sentence in the section are not talking about A. kadabba but of A. ramidus. Can someone clear this up? Syn 05:09, 1 April 2010 (UTC)[reply]